20820048

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 58240320

約数和(自身を除く): 37420272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 617, 703, 888, 912, 1234, 1406, 1776, 1851, 2109, 2468, 2812, 3702, 4218, 4936, 5624, 7404, 8436, 9872, 11248, 11723, 14808, 16872, 22829, 23446, 29616, 33744, 35169, 45658, 46892, 68487, 70338, 91316, 93784, 136974, 140676, 182632, 187568, 273948, 281352, 365264, 433751, 547896, 562704, 867502, 1095792, 1301253, 1735004, 2602506, 3470008, 5205012, 6940016, 10410024, 20820048]

約数ペア:

[(1, 20820048), (2, 10410024), (3, 6940016), (4, 5205012), (6, 3470008), (8, 2602506), (12, 1735004), (16, 1301253), (19, 1095792), (24, 867502), (37, 562704), (38, 547896), (48, 433751), (57, 365264), (74, 281352), (76, 273948), (111, 187568), (114, 182632), (148, 140676), (152, 136974), (222, 93784), (228, 91316), (296, 70338), (304, 68487), (444, 46892), (456, 45658), (592, 35169), (617, 33744), (703, 29616), (888, 23446), (912, 22829), (1234, 16872), (1406, 14808), (1776, 11723), (1851, 11248), (2109, 9872), (2468, 8436), (2812, 7404), (3702, 5624), (4218, 4936)]