20187797985

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15469577}}^1$

素因数の和:15469617

約数の個数: 24

約数和(自身を含む): 36198812520

約数和(自身を除く): 16011014535

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15469577, 46408731, 77347885, 139226193, 232043655, 448617733, 696130965, 1345853199, 2243088665, 4037559597, 6729265995, 20187797985]

約数ペア:

[(1, 20187797985), (3, 6729265995), (5, 4037559597), (9, 2243088665), (15, 1345853199), (29, 696130965), (45, 448617733), (87, 232043655), (145, 139226193), (261, 77347885), (435, 46408731), (1305, 15469577)]