20863680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 112

約数和(自身を含む): 67202304

約数和(自身を除く): 46338624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 160, 192, 206, 211, 240, 309, 320, 412, 422, 480, 515, 618, 633, 824, 844, 960, 1030, 1055, 1236, 1266, 1545, 1648, 1688, 2060, 2110, 2472, 2532, 3090, 3165, 3296, 3376, 4120, 4220, 4944, 5064, 6180, 6330, 6592, 6752, 8240, 8440, 9888, 10128, 12360, 12660, 13504, 16480, 16880, 19776, 20256, 21733, 24720, 25320, 32960, 33760, 40512, 43466, 49440, 50640, 65199, 67520, 86932, 98880, 101280, 108665, 130398, 173864, 202560, 217330, 260796, 325995, 347728, 434660, 521592, 651990, 695456, 869320, 1043184, 1303980, 1390912, 1738640, 2086368, 2607960, 3477280, 4172736, 5215920, 6954560, 10431840, 20863680]

約数ペア:

[(1, 20863680), (2, 10431840), (3, 6954560), (4, 5215920), (5, 4172736), (6, 3477280), (8, 2607960), (10, 2086368), (12, 1738640), (15, 1390912), (16, 1303980), (20, 1043184), (24, 869320), (30, 695456), (32, 651990), (40, 521592), (48, 434660), (60, 347728), (64, 325995), (80, 260796), (96, 217330), (103, 202560), (120, 173864), (160, 130398), (192, 108665), (206, 101280), (211, 98880), (240, 86932), (309, 67520), (320, 65199), (412, 50640), (422, 49440), (480, 43466), (515, 40512), (618, 33760), (633, 32960), (824, 25320), (844, 24720), (960, 21733), (1030, 20256), (1055, 19776), (1236, 16880), (1266, 16480), (1545, 13504), (1648, 12660), (1688, 12360), (2060, 10128), (2110, 9888), (2472, 8440), (2532, 8240), (3090, 6752), (3165, 6592), (3296, 6330), (3376, 6180), (4120, 5064), (4220, 4944)]