16956820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 38456208

約数和(自身を除く): 21499388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 941, 1060, 1802, 1882, 3604, 3764, 4505, 4705, 9010, 9410, 15997, 18020, 18820, 31994, 49873, 63988, 79985, 99746, 159970, 199492, 249365, 319940, 498730, 847841, 997460, 1695682, 3391364, 4239205, 8478410, 16956820]

約数ペア:

[(1, 16956820), (2, 8478410), (4, 4239205), (5, 3391364), (10, 1695682), (17, 997460), (20, 847841), (34, 498730), (53, 319940), (68, 249365), (85, 199492), (106, 159970), (170, 99746), (212, 79985), (265, 63988), (340, 49873), (530, 31994), (901, 18820), (941, 18020), (1060, 15997), (1802, 9410), (1882, 9010), (3604, 4705), (3764, 4505)]