20129208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4052

約数の個数: 64

約数和(自身を含む): 57801600

約数和(自身を除く): 37672392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 209, 228, 264, 418, 456, 627, 836, 1254, 1672, 2508, 4013, 5016, 8026, 12039, 16052, 24078, 32104, 44143, 48156, 76247, 88286, 96312, 132429, 152494, 176572, 228741, 264858, 304988, 353144, 457482, 529716, 609976, 838717, 914964, 1059432, 1677434, 1829928, 2516151, 3354868, 5032302, 6709736, 10064604, 20129208]

約数ペア:

[(1, 20129208), (2, 10064604), (3, 6709736), (4, 5032302), (6, 3354868), (8, 2516151), (11, 1829928), (12, 1677434), (19, 1059432), (22, 914964), (24, 838717), (33, 609976), (38, 529716), (44, 457482), (57, 353144), (66, 304988), (76, 264858), (88, 228741), (114, 176572), (132, 152494), (152, 132429), (209, 96312), (228, 88286), (264, 76247), (418, 48156), (456, 44143), (627, 32104), (836, 24078), (1254, 16052), (1672, 12039), (2508, 8026), (4013, 5016)]