20915064

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2617}}^1$

素因数の和:2669

約数の個数: 64

約数和(自身を含む): 59690400

約数和(自身を除く): 38775336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2617, 2664, 3996, 5234, 7851, 7992, 10468, 15702, 20936, 23553, 31404, 47106, 62808, 70659, 94212, 96829, 141318, 188424, 193658, 282636, 290487, 387316, 565272, 580974, 774632, 871461, 1161948, 1742922, 2323896, 2614383, 3485844, 5228766, 6971688, 10457532, 20915064]

約数ペア:

[(1, 20915064), (2, 10457532), (3, 6971688), (4, 5228766), (6, 3485844), (8, 2614383), (9, 2323896), (12, 1742922), (18, 1161948), (24, 871461), (27, 774632), (36, 580974), (37, 565272), (54, 387316), (72, 290487), (74, 282636), (108, 193658), (111, 188424), (148, 141318), (216, 96829), (222, 94212), (296, 70659), (333, 62808), (444, 47106), (666, 31404), (888, 23553), (999, 20936), (1332, 15702), (1998, 10468), (2617, 7992), (2664, 7851), (3996, 5234)]