20101649920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23027}}^1$

素因数の和:23092

約数の個数: 160

約数和(自身を含む): 54276811776

約数和(自身を除く): 34175161856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2480, 2560, 2728, 2816, 3410, 3520, 3968, 4960, 5456, 5632, 6820, 7040, 7936, 9920, 10912, 13640, 14080, 15872, 19840, 21824, 23027, 27280, 28160, 39680, 43648, 46054, 54560, 79360, 87296, 92108, 109120, 115135, 174592, 184216, 218240, 230270, 253297, 368432, 436480, 460540, 506594, 713837, 736864, 872960, 921080, 1013188, 1266485, 1427674, 1473728, 1842160, 2026376, 2532970, 2855348, 2947456, 3569185, 3684320, 4052752, 5065940, 5710696, 5894912, 7138370, 7368640, 7852207, 8105504, 10131880, 11421392, 11789824, 14276740, 14737280, 15704414, 16211008, 20263760, 22842784, 28553480, 29474560, 31408828, 32422016, 39261035, 40527520, 45685568, 57106960, 58949120, 62817656, 64844032, 78522070, 81055040, 91371136, 114213920, 125635312, 129688064, 157044140, 162110080, 182742272, 228427840, 251270624, 314088280, 324220160, 365484544, 456855680, 502541248, 628176560, 648440320, 913711360, 1005082496, 1256353120, 1827422720, 2010164992, 2512706240, 4020329984, 5025412480, 10050824960, 20101649920]

約数ペア:

[(1, 20101649920), (2, 10050824960), (4, 5025412480), (5, 4020329984), (8, 2512706240), (10, 2010164992), (11, 1827422720), (16, 1256353120), (20, 1005082496), (22, 913711360), (31, 648440320), (32, 628176560), (40, 502541248), (44, 456855680), (55, 365484544), (62, 324220160), (64, 314088280), (80, 251270624), (88, 228427840), (110, 182742272), (124, 162110080), (128, 157044140), (155, 129688064), (160, 125635312), (176, 114213920), (220, 91371136), (248, 81055040), (256, 78522070), (310, 64844032), (320, 62817656), (341, 58949120), (352, 57106960), (440, 45685568), (496, 40527520), (512, 39261035), (620, 32422016), (640, 31408828), (682, 29474560), (704, 28553480), (880, 22842784), (992, 20263760), (1240, 16211008), (1280, 15704414), (1364, 14737280), (1408, 14276740), (1705, 11789824), (1760, 11421392), (1984, 10131880), (2480, 8105504), (2560, 7852207), (2728, 7368640), (2816, 7138370), (3410, 5894912), (3520, 5710696), (3968, 5065940), (4960, 4052752), (5456, 3684320), (5632, 3569185), (6820, 2947456), (7040, 2855348), (7936, 2532970), (9920, 2026376), (10912, 1842160), (13640, 1473728), (14080, 1427674), (15872, 1266485), (19840, 1013188), (21824, 921080), (23027, 872960), (27280, 736864), (28160, 713837), (39680, 506594), (43648, 460540), (46054, 436480), (54560, 368432), (79360, 253297), (87296, 230270), (92108, 218240), (109120, 184216), (115135, 174592)]