20430150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10477}}^1$

素因数の和:10505

約数の個数: 48

約数和(自身を含む): 54569424

約数和(自身を除く): 34139274

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10477, 20954, 31431, 52385, 62862, 104770, 136201, 157155, 261925, 272402, 314310, 408603, 523850, 681005, 785775, 817206, 1362010, 1571550, 2043015, 3405025, 4086030, 6810050, 10215075, 20430150]

約数ペア:

[(1, 20430150), (2, 10215075), (3, 6810050), (5, 4086030), (6, 3405025), (10, 2043015), (13, 1571550), (15, 1362010), (25, 817206), (26, 785775), (30, 681005), (39, 523850), (50, 408603), (65, 314310), (75, 272402), (78, 261925), (130, 157155), (150, 136201), (195, 104770), (325, 62862), (390, 52385), (650, 31431), (975, 20954), (1950, 10477)]