20495790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32533}}^1$

素因数の和:32553

約数の個数: 48

約数和(自身を含む): 60903648

約数和(自身を除く): 40407858

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32533, 65066, 97599, 162665, 195198, 227731, 292797, 325330, 455462, 487995, 585594, 683193, 975990, 1138655, 1366386, 1463985, 2049579, 2277310, 2927970, 3415965, 4099158, 6831930, 10247895, 20495790]

約数ペア:

[(1, 20495790), (2, 10247895), (3, 6831930), (5, 4099158), (6, 3415965), (7, 2927970), (9, 2277310), (10, 2049579), (14, 1463985), (15, 1366386), (18, 1138655), (21, 975990), (30, 683193), (35, 585594), (42, 487995), (45, 455462), (63, 325330), (70, 292797), (90, 227731), (105, 195198), (126, 162665), (210, 97599), (315, 65066), (630, 32533)]