20315156976

素因数分解:

$2^4\times 3^2\times {\mathrm{97}}^1\times {\mathrm{439}}^1\times {\mathrm{3313}}^1$

素因数の和:3863

約数の個数: 120

約数和(自身を含む): 57588571040

約数和(自身を除く): 37273414064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 97, 144, 194, 291, 388, 439, 582, 776, 873, 878, 1164, 1317, 1552, 1746, 1756, 2328, 2634, 3313, 3492, 3512, 3951, 4656, 5268, 6626, 6984, 7024, 7902, 9939, 10536, 13252, 13968, 15804, 19878, 21072, 26504, 29817, 31608, 39756, 42583, 53008, 59634, 63216, 79512, 85166, 119268, 127749, 159024, 170332, 238536, 255498, 321361, 340664, 383247, 477072, 510996, 642722, 681328, 766494, 964083, 1021992, 1285444, 1454407, 1532988, 1928166, 2043984, 2570888, 2892249, 2908814, 3065976, 3856332, 4363221, 5141776, 5784498, 5817628, 6131952, 7712664, 8726442, 11568996, 11635256, 13089663, 15425328, 17452884, 23137992, 23270512, 26179326, 34905768, 46275984, 52358652, 69811536, 104717304, 141077479, 209434608, 282154958, 423232437, 564309916, 846464874, 1128619832, 1269697311, 1692929748, 2257239664, 2539394622, 3385859496, 5078789244, 6771718992, 10157578488, 20315156976]

約数ペア:

[(1, 20315156976), (2, 10157578488), (3, 6771718992), (4, 5078789244), (6, 3385859496), (8, 2539394622), (9, 2257239664), (12, 1692929748), (16, 1269697311), (18, 1128619832), (24, 846464874), (36, 564309916), (48, 423232437), (72, 282154958), (97, 209434608), (144, 141077479), (194, 104717304), (291, 69811536), (388, 52358652), (439, 46275984), (582, 34905768), (776, 26179326), (873, 23270512), (878, 23137992), (1164, 17452884), (1317, 15425328), (1552, 13089663), (1746, 11635256), (1756, 11568996), (2328, 8726442), (2634, 7712664), (3313, 6131952), (3492, 5817628), (3512, 5784498), (3951, 5141776), (4656, 4363221), (5268, 3856332), (6626, 3065976), (6984, 2908814), (7024, 2892249), (7902, 2570888), (9939, 2043984), (10536, 1928166), (13252, 1532988), (13968, 1454407), (15804, 1285444), (19878, 1021992), (21072, 964083), (26504, 766494), (29817, 681328), (31608, 642722), (39756, 510996), (42583, 477072), (53008, 383247), (59634, 340664), (63216, 321361), (79512, 255498), (85166, 238536), (119268, 170332), (127749, 159024)]