20059680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 66890880

約数和(自身を除く): 46831200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 79, 80, 92, 96, 115, 120, 138, 158, 160, 184, 230, 237, 240, 276, 316, 345, 368, 395, 460, 474, 480, 529, 552, 632, 690, 736, 790, 920, 948, 1058, 1104, 1185, 1264, 1380, 1580, 1587, 1817, 1840, 1896, 2116, 2208, 2370, 2528, 2645, 2760, 3160, 3174, 3634, 3680, 3792, 4232, 4740, 5290, 5451, 5520, 6320, 6348, 7268, 7584, 7935, 8464, 9085, 9480, 10580, 10902, 11040, 12640, 12696, 14536, 15870, 16928, 18170, 18960, 21160, 21804, 25392, 27255, 29072, 31740, 36340, 37920, 41791, 42320, 43608, 50784, 54510, 58144, 63480, 72680, 83582, 84640, 87216, 109020, 125373, 126960, 145360, 167164, 174432, 208955, 218040, 250746, 253920, 290720, 334328, 417910, 436080, 501492, 626865, 668656, 835820, 872160, 1002984, 1253730, 1337312, 1671640, 2005968, 2507460, 3343280, 4011936, 5014920, 6686560, 10029840, 20059680]

約数ペア:

[(1, 20059680), (2, 10029840), (3, 6686560), (4, 5014920), (5, 4011936), (6, 3343280), (8, 2507460), (10, 2005968), (12, 1671640), (15, 1337312), (16, 1253730), (20, 1002984), (23, 872160), (24, 835820), (30, 668656), (32, 626865), (40, 501492), (46, 436080), (48, 417910), (60, 334328), (69, 290720), (79, 253920), (80, 250746), (92, 218040), (96, 208955), (115, 174432), (120, 167164), (138, 145360), (158, 126960), (160, 125373), (184, 109020), (230, 87216), (237, 84640), (240, 83582), (276, 72680), (316, 63480), (345, 58144), (368, 54510), (395, 50784), (460, 43608), (474, 42320), (480, 41791), (529, 37920), (552, 36340), (632, 31740), (690, 29072), (736, 27255), (790, 25392), (920, 21804), (948, 21160), (1058, 18960), (1104, 18170), (1185, 16928), (1264, 15870), (1380, 14536), (1580, 12696), (1587, 12640), (1817, 11040), (1840, 10902), (1896, 10580), (2116, 9480), (2208, 9085), (2370, 8464), (2528, 7935), (2645, 7584), (2760, 7268), (3160, 6348), (3174, 6320), (3634, 5520), (3680, 5451), (3792, 5290), (4232, 4740)]