20979450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2068

約数の個数: 72

約数和(自身を含む): 58844448

約数和(自身を除く): 37864998

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, 2027, 2070, 3450, 4054, 5175, 6081, 10135, 10350, 12162, 18243, 20270, 30405, 36486, 46621, 50675, 60810, 91215, 93242, 101350, 139863, 152025, 182430, 233105, 279726, 304050, 419589, 456075, 466210, 699315, 839178, 912150, 1165525, 1398630, 2097945, 2331050, 3496575, 4195890, 6993150, 10489725, 20979450]

約数ペア:

[(1, 20979450), (2, 10489725), (3, 6993150), (5, 4195890), (6, 3496575), (9, 2331050), (10, 2097945), (15, 1398630), (18, 1165525), (23, 912150), (25, 839178), (30, 699315), (45, 466210), (46, 456075), (50, 419589), (69, 304050), (75, 279726), (90, 233105), (115, 182430), (138, 152025), (150, 139863), (207, 101350), (225, 93242), (230, 91215), (345, 60810), (414, 50675), (450, 46621), (575, 36486), (690, 30405), (1035, 20270), (1150, 18243), (1725, 12162), (2027, 10350), (2070, 10135), (3450, 6081), (4054, 5175)]