20496450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 57246336

約数和(自身を除く): 36749886

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 39, 46, 50, 65, 69, 75, 78, 115, 130, 138, 150, 195, 230, 299, 325, 345, 390, 457, 575, 598, 650, 690, 897, 914, 975, 1150, 1371, 1495, 1725, 1794, 1950, 2285, 2742, 2990, 3450, 4485, 4570, 5941, 6855, 7475, 8970, 10511, 11425, 11882, 13710, 14950, 17823, 21022, 22425, 22850, 29705, 31533, 34275, 35646, 44850, 52555, 59410, 63066, 68550, 89115, 105110, 136643, 148525, 157665, 178230, 262775, 273286, 297050, 315330, 409929, 445575, 525550, 683215, 788325, 819858, 891150, 1366430, 1576650, 2049645, 3416075, 4099290, 6832150, 10248225, 20496450]

約数ペア:

[(1, 20496450), (2, 10248225), (3, 6832150), (5, 4099290), (6, 3416075), (10, 2049645), (13, 1576650), (15, 1366430), (23, 891150), (25, 819858), (26, 788325), (30, 683215), (39, 525550), (46, 445575), (50, 409929), (65, 315330), (69, 297050), (75, 273286), (78, 262775), (115, 178230), (130, 157665), (138, 148525), (150, 136643), (195, 105110), (230, 89115), (299, 68550), (325, 63066), (345, 59410), (390, 52555), (457, 44850), (575, 35646), (598, 34275), (650, 31533), (690, 29705), (897, 22850), (914, 22425), (975, 21022), (1150, 17823), (1371, 14950), (1495, 13710), (1725, 11882), (1794, 11425), (1950, 10511), (2285, 8970), (2742, 7475), (2990, 6855), (3450, 5941), (4485, 4570)]