20289618

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 46500480

約数和(自身を除く): 26210862

約数列:

[1, 2, 3, 6, 9, 18, 29, 47, 58, 87, 94, 141, 174, 261, 282, 423, 522, 827, 846, 1363, 1654, 2481, 2726, 4089, 4962, 7443, 8178, 12267, 14886, 23983, 24534, 38869, 47966, 71949, 77738, 116607, 143898, 215847, 233214, 349821, 431694, 699642, 1127201, 2254402, 3381603, 6763206, 10144809, 20289618]

約数ペア:

[(1, 20289618), (2, 10144809), (3, 6763206), (6, 3381603), (9, 2254402), (18, 1127201), (29, 699642), (47, 431694), (58, 349821), (87, 233214), (94, 215847), (141, 143898), (174, 116607), (261, 77738), (282, 71949), (423, 47966), (522, 38869), (827, 24534), (846, 23983), (1363, 14886), (1654, 12267), (2481, 8178), (2726, 7443), (4089, 4962)]