20634456

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 35179944

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1223, 1406, 2109, 2446, 2812, 3669, 4218, 4892, 5624, 7338, 8436, 9784, 14676, 16872, 23237, 29352, 45251, 46474, 69711, 90502, 92948, 135753, 139422, 181004, 185896, 271506, 278844, 362008, 543012, 557688, 859769, 1086024, 1719538, 2579307, 3439076, 5158614, 6878152, 10317228, 20634456]

約数ペア:

[(1, 20634456), (2, 10317228), (3, 6878152), (4, 5158614), (6, 3439076), (8, 2579307), (12, 1719538), (19, 1086024), (24, 859769), (37, 557688), (38, 543012), (57, 362008), (74, 278844), (76, 271506), (111, 185896), (114, 181004), (148, 139422), (152, 135753), (222, 92948), (228, 90502), (296, 69711), (444, 46474), (456, 45251), (703, 29352), (888, 23237), (1223, 16872), (1406, 14676), (2109, 9784), (2446, 8436), (2812, 7338), (3669, 5624), (4218, 4892)]