20731050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2044

約数の個数: 72

約数和(自身を含む): 58148064

約数和(自身を除く): 37417014

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 2003, 2070, 3450, 4006, 5175, 6009, 10015, 10350, 12018, 18027, 20030, 30045, 36054, 46069, 50075, 60090, 90135, 92138, 100150, 138207, 150225, 180270, 230345, 276414, 300450, 414621, 450675, 460690, 691035, 829242, 901350, 1151725, 1382070, 2073105, 2303450, 3455175, 4146210, 6910350, 10365525, 20731050]

約数ペア:

[(1, 20731050), (2, 10365525), (3, 6910350), (5, 4146210), (6, 3455175), (9, 2303450), (10, 2073105), (15, 1382070), (18, 1151725), (23, 901350), (25, 829242), (30, 691035), (45, 460690), (46, 450675), (50, 414621), (69, 300450), (75, 276414), (90, 230345), (115, 180270), (138, 150225), (150, 138207), (207, 100150), (225, 92138), (230, 90135), (345, 60090), (414, 50075), (450, 46069), (575, 36054), (690, 30045), (1035, 20030), (1150, 18027), (1725, 12018), (2003, 10350), (2070, 10015), (3450, 6009), (4006, 5175)]