20153729570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1\times {\mathrm{1181}}^1$

素因数の和:2231

約数の個数: 64

約数和(自身を含む): 39407407200

約数和(自身を除く): 19253677630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 881, 1181, 1490, 1762, 1937, 2362, 3874, 4405, 5905, 8810, 9685, 11453, 11810, 15353, 19370, 22906, 30706, 57265, 76765, 114530, 131269, 153530, 175969, 262538, 351938, 656345, 879845, 1040461, 1312690, 1706497, 1759690, 2080922, 2287597, 3412994, 4575194, 5202305, 8532485, 10404610, 11437985, 13525993, 17064970, 22875970, 27051986, 67629965, 135259930, 155028689, 310057378, 775143445, 1550286890, 2015372957, 4030745914, 10076864785, 20153729570]

約数ペア:

[(1, 20153729570), (2, 10076864785), (5, 4030745914), (10, 2015372957), (13, 1550286890), (26, 775143445), (65, 310057378), (130, 155028689), (149, 135259930), (298, 67629965), (745, 27051986), (881, 22875970), (1181, 17064970), (1490, 13525993), (1762, 11437985), (1937, 10404610), (2362, 8532485), (3874, 5202305), (4405, 4575194), (5905, 3412994), (8810, 2287597), (9685, 2080922), (11453, 1759690), (11810, 1706497), (15353, 1312690), (19370, 1040461), (22906, 879845), (30706, 656345), (57265, 351938), (76765, 262538), (114530, 175969), (131269, 153530)]