20938024960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1058

約数の個数: 192

約数和(自身を含む): 52646630400

約数和(自身を除く): 31708605440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 256, 284, 310, 320, 355, 496, 512, 568, 620, 640, 710, 929, 992, 1024, 1136, 1240, 1280, 1420, 1858, 1984, 2048, 2201, 2272, 2480, 2560, 2840, 3716, 3968, 4402, 4544, 4645, 4960, 5120, 5680, 7432, 7936, 8804, 9088, 9290, 9920, 10240, 11005, 11360, 14864, 15872, 17608, 18176, 18580, 19840, 22010, 22720, 28799, 29728, 31744, 35216, 36352, 37160, 39680, 44020, 45440, 57598, 59456, 63488, 65959, 70432, 72704, 74320, 79360, 88040, 90880, 115196, 118912, 131918, 140864, 143995, 145408, 148640, 158720, 176080, 181760, 230392, 237824, 263836, 281728, 287990, 297280, 317440, 329795, 352160, 363520, 460784, 475648, 527672, 563456, 575980, 594560, 659590, 704320, 727040, 921568, 951296, 1055344, 1126912, 1151960, 1189120, 1319180, 1408640, 1843136, 1902592, 2044729, 2110688, 2253824, 2303920, 2378240, 2638360, 2817280, 3686272, 4089458, 4221376, 4507648, 4607840, 4756480, 5276720, 5634560, 7372544, 8178916, 8442752, 9215680, 9512960, 10223645, 10553440, 11269120, 14745088, 16357832, 16885504, 18431360, 20447290, 21106880, 22538240, 29490176, 32715664, 33771008, 36862720, 40894580, 42213760, 58980352, 65431328, 67542016, 73725440, 81789160, 84427520, 130862656, 135084032, 147450880, 163578320, 168855040, 261725312, 294901760, 327156640, 337710080, 523450624, 654313280, 675420160, 1046901248, 1308626560, 2093802496, 2617253120, 4187604992, 5234506240, 10469012480, 20938024960]

約数ペア:

[(1, 20938024960), (2, 10469012480), (4, 5234506240), (5, 4187604992), (8, 2617253120), (10, 2093802496), (16, 1308626560), (20, 1046901248), (31, 675420160), (32, 654313280), (40, 523450624), (62, 337710080), (64, 327156640), (71, 294901760), (80, 261725312), (124, 168855040), (128, 163578320), (142, 147450880), (155, 135084032), (160, 130862656), (248, 84427520), (256, 81789160), (284, 73725440), (310, 67542016), (320, 65431328), (355, 58980352), (496, 42213760), (512, 40894580), (568, 36862720), (620, 33771008), (640, 32715664), (710, 29490176), (929, 22538240), (992, 21106880), (1024, 20447290), (1136, 18431360), (1240, 16885504), (1280, 16357832), (1420, 14745088), (1858, 11269120), (1984, 10553440), (2048, 10223645), (2201, 9512960), (2272, 9215680), (2480, 8442752), (2560, 8178916), (2840, 7372544), (3716, 5634560), (3968, 5276720), (4402, 4756480), (4544, 4607840), (4645, 4507648), (4960, 4221376), (5120, 4089458), (5680, 3686272), (7432, 2817280), (7936, 2638360), (8804, 2378240), (9088, 2303920), (9290, 2253824), (9920, 2110688), (10240, 2044729), (11005, 1902592), (11360, 1843136), (14864, 1408640), (15872, 1319180), (17608, 1189120), (18176, 1151960), (18580, 1126912), (19840, 1055344), (22010, 951296), (22720, 921568), (28799, 727040), (29728, 704320), (31744, 659590), (35216, 594560), (36352, 575980), (37160, 563456), (39680, 527672), (44020, 475648), (45440, 460784), (57598, 363520), (59456, 352160), (63488, 329795), (65959, 317440), (70432, 297280), (72704, 287990), (74320, 281728), (79360, 263836), (88040, 237824), (90880, 230392), (115196, 181760), (118912, 176080), (131918, 158720), (140864, 148640), (143995, 145408)]