20159730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9739}}^1$

素因数の和:9775

約数の個数: 48

約数和(自身を含む): 54699840

約数和(自身を除く): 34540110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9739, 19478, 29217, 48695, 58434, 87651, 97390, 146085, 175302, 223997, 292170, 438255, 447994, 671991, 876510, 1119985, 1343982, 2015973, 2239970, 3359955, 4031946, 6719910, 10079865, 20159730]

約数ペア:

[(1, 20159730), (2, 10079865), (3, 6719910), (5, 4031946), (6, 3359955), (9, 2239970), (10, 2015973), (15, 1343982), (18, 1119985), (23, 876510), (30, 671991), (45, 447994), (46, 438255), (69, 292170), (90, 223997), (115, 175302), (138, 146085), (207, 97390), (230, 87651), (345, 58434), (414, 48695), (690, 29217), (1035, 19478), (2070, 9739)]