20093085

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 36644400

約数和(自身を除く): 16551315

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 89, 145, 173, 261, 267, 435, 445, 519, 801, 865, 1305, 1335, 1557, 2581, 2595, 4005, 5017, 7743, 7785, 12905, 15051, 15397, 23229, 25085, 38715, 45153, 46191, 75255, 76985, 116145, 138573, 225765, 230955, 446513, 692865, 1339539, 2232565, 4018617, 6697695, 20093085]

約数ペア:

[(1, 20093085), (3, 6697695), (5, 4018617), (9, 2232565), (15, 1339539), (29, 692865), (45, 446513), (87, 230955), (89, 225765), (145, 138573), (173, 116145), (261, 76985), (267, 75255), (435, 46191), (445, 45153), (519, 38715), (801, 25085), (865, 23229), (1305, 15397), (1335, 15051), (1557, 12905), (2581, 7785), (2595, 7743), (4005, 5017)]