20784701520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{874777}}^1$

素因数の和:874810

約数の個数: 160

約数和(自身を含む): 78100179840

約数和(自身を除く): 57315478320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 990, 1080, 1188, 1320, 1485, 1584, 1980, 2160, 2376, 2640, 2970, 3960, 4752, 5940, 7920, 11880, 23760, 874777, 1749554, 2624331, 3499108, 4373885, 5248662, 6998216, 7872993, 8747770, 9622547, 10497324, 13121655, 13996432, 15745986, 17495540, 19245094, 20994648, 23618979, 26243310, 28867641, 31491972, 34991080, 38490188, 39364965, 41989296, 47237958, 48112735, 52486620, 57735282, 62983944, 69982160, 76980376, 78729930, 86602923, 94475916, 96225470, 104973240, 115470564, 118094895, 125967888, 144338205, 153960752, 157459860, 173205846, 188951832, 192450940, 209946480, 230941128, 236189790, 259808769, 288676410, 314919720, 346411692, 377903664, 384901880, 433014615, 461882256, 472379580, 519617538, 577352820, 629839440, 692823384, 769803760, 866029230, 944759160, 1039235076, 1154705640, 1299043845, 1385646768, 1732058460, 1889518320, 2078470152, 2309411280, 2598087690, 3464116920, 4156940304, 5196175380, 6928233840, 10392350760, 20784701520]

約数ペア:

[(1, 20784701520), (2, 10392350760), (3, 6928233840), (4, 5196175380), (5, 4156940304), (6, 3464116920), (8, 2598087690), (9, 2309411280), (10, 2078470152), (11, 1889518320), (12, 1732058460), (15, 1385646768), (16, 1299043845), (18, 1154705640), (20, 1039235076), (22, 944759160), (24, 866029230), (27, 769803760), (30, 692823384), (33, 629839440), (36, 577352820), (40, 519617538), (44, 472379580), (45, 461882256), (48, 433014615), (54, 384901880), (55, 377903664), (60, 346411692), (66, 314919720), (72, 288676410), (80, 259808769), (88, 236189790), (90, 230941128), (99, 209946480), (108, 192450940), (110, 188951832), (120, 173205846), (132, 157459860), (135, 153960752), (144, 144338205), (165, 125967888), (176, 118094895), (180, 115470564), (198, 104973240), (216, 96225470), (220, 94475916), (240, 86602923), (264, 78729930), (270, 76980376), (297, 69982160), (330, 62983944), (360, 57735282), (396, 52486620), (432, 48112735), (440, 47237958), (495, 41989296), (528, 39364965), (540, 38490188), (594, 34991080), (660, 31491972), (720, 28867641), (792, 26243310), (880, 23618979), (990, 20994648), (1080, 19245094), (1188, 17495540), (1320, 15745986), (1485, 13996432), (1584, 13121655), (1980, 10497324), (2160, 9622547), (2376, 8747770), (2640, 7872993), (2970, 6998216), (3960, 5248662), (4752, 4373885), (5940, 3499108), (7920, 2624331), (11880, 1749554), (23760, 874777)]