20003696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 41341104

約数和(自身を除く): 21337408

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 251, 272, 293, 502, 586, 1004, 1172, 2008, 2344, 4016, 4267, 4688, 4981, 8534, 9962, 17068, 19924, 34136, 39848, 68272, 73543, 79696, 147086, 294172, 588344, 1176688, 1250231, 2500462, 5000924, 10001848, 20003696]

約数ペア:

[(1, 20003696), (2, 10001848), (4, 5000924), (8, 2500462), (16, 1250231), (17, 1176688), (34, 588344), (68, 294172), (136, 147086), (251, 79696), (272, 73543), (293, 68272), (502, 39848), (586, 34136), (1004, 19924), (1172, 17068), (2008, 9962), (2344, 8534), (4016, 4981), (4267, 4688)]