20769597

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 13375683

約数列:

[1, 3, 9, 17, 29, 31, 51, 87, 93, 151, 153, 261, 279, 453, 493, 527, 899, 1359, 1479, 1581, 2567, 2697, 4379, 4437, 4681, 4743, 7701, 8091, 13137, 14043, 15283, 23103, 39411, 42129, 45849, 74443, 79577, 135749, 137547, 223329, 238731, 407247, 669987, 716193, 1221741, 2307733, 6923199, 20769597]

約数ペア:

[(1, 20769597), (3, 6923199), (9, 2307733), (17, 1221741), (29, 716193), (31, 669987), (51, 407247), (87, 238731), (93, 223329), (151, 137547), (153, 135749), (261, 79577), (279, 74443), (453, 45849), (493, 42129), (527, 39411), (899, 23103), (1359, 15283), (1479, 14043), (1581, 13137), (2567, 8091), (2697, 7701), (4379, 4743), (4437, 4681)]