20388036

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 49948416

約数和(自身を除く): 29560380

約数列:

[1, 2, 3, 4, 6, 12, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 444, 564, 977, 1739, 1954, 2931, 3478, 3908, 5217, 5862, 6956, 10434, 11724, 20868, 36149, 45919, 72298, 91838, 108447, 137757, 144596, 183676, 216894, 275514, 433788, 551028, 1699003, 3398006, 5097009, 6796012, 10194018, 20388036]

約数ペア:

[(1, 20388036), (2, 10194018), (3, 6796012), (4, 5097009), (6, 3398006), (12, 1699003), (37, 551028), (47, 433788), (74, 275514), (94, 216894), (111, 183676), (141, 144596), (148, 137757), (188, 108447), (222, 91838), (282, 72298), (444, 45919), (564, 36149), (977, 20868), (1739, 11724), (1954, 10434), (2931, 6956), (3478, 5862), (3908, 5217)]