20059440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 47436240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 53, 57, 60, 76, 80, 83, 95, 106, 114, 120, 152, 159, 166, 190, 212, 228, 240, 249, 265, 285, 304, 318, 332, 380, 415, 424, 456, 498, 530, 570, 636, 664, 760, 795, 830, 848, 912, 996, 1007, 1060, 1140, 1245, 1272, 1328, 1520, 1577, 1590, 1660, 1992, 2014, 2120, 2280, 2490, 2544, 3021, 3154, 3180, 3320, 3984, 4028, 4240, 4399, 4560, 4731, 4980, 5035, 6042, 6308, 6360, 6640, 7885, 8056, 8798, 9462, 9960, 10070, 12084, 12616, 12720, 13197, 15105, 15770, 16112, 17596, 18924, 19920, 20140, 21995, 23655, 24168, 25232, 26394, 30210, 31540, 35192, 37848, 40280, 43990, 47310, 48336, 52788, 60420, 63080, 65985, 70384, 75696, 80560, 83581, 87980, 94620, 105576, 120840, 126160, 131970, 167162, 175960, 189240, 211152, 241680, 250743, 263940, 334324, 351920, 378480, 417905, 501486, 527880, 668648, 835810, 1002972, 1055760, 1253715, 1337296, 1671620, 2005944, 2507430, 3343240, 4011888, 5014860, 6686480, 10029720, 20059440]

約数ペア:

[(1, 20059440), (2, 10029720), (3, 6686480), (4, 5014860), (5, 4011888), (6, 3343240), (8, 2507430), (10, 2005944), (12, 1671620), (15, 1337296), (16, 1253715), (19, 1055760), (20, 1002972), (24, 835810), (30, 668648), (38, 527880), (40, 501486), (48, 417905), (53, 378480), (57, 351920), (60, 334324), (76, 263940), (80, 250743), (83, 241680), (95, 211152), (106, 189240), (114, 175960), (120, 167162), (152, 131970), (159, 126160), (166, 120840), (190, 105576), (212, 94620), (228, 87980), (240, 83581), (249, 80560), (265, 75696), (285, 70384), (304, 65985), (318, 63080), (332, 60420), (380, 52788), (415, 48336), (424, 47310), (456, 43990), (498, 40280), (530, 37848), (570, 35192), (636, 31540), (664, 30210), (760, 26394), (795, 25232), (830, 24168), (848, 23655), (912, 21995), (996, 20140), (1007, 19920), (1060, 18924), (1140, 17596), (1245, 16112), (1272, 15770), (1328, 15105), (1520, 13197), (1577, 12720), (1590, 12616), (1660, 12084), (1992, 10070), (2014, 9960), (2120, 9462), (2280, 8798), (2490, 8056), (2544, 7885), (3021, 6640), (3154, 6360), (3180, 6308), (3320, 6042), (3984, 5035), (4028, 4980), (4240, 4731), (4399, 4560)]