20531970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12007}}^1$

素因数の和:12039

約数の個数: 48

約数和(自身を含む): 56197440

約数和(自身を除く): 35665470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12007, 24014, 36021, 60035, 72042, 108063, 120070, 180105, 216126, 228133, 360210, 456266, 540315, 684399, 1080630, 1140665, 1368798, 2053197, 2281330, 3421995, 4106394, 6843990, 10265985, 20531970]

約数ペア:

[(1, 20531970), (2, 10265985), (3, 6843990), (5, 4106394), (6, 3421995), (9, 2281330), (10, 2053197), (15, 1368798), (18, 1140665), (19, 1080630), (30, 684399), (38, 540315), (45, 456266), (57, 360210), (90, 228133), (95, 216126), (114, 180105), (171, 120070), (190, 108063), (285, 72042), (342, 60035), (570, 36021), (855, 24014), (1710, 12007)]