20344428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 57330000

約数和(自身を除く): 36985572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1499, 1508, 2262, 2998, 3393, 4497, 4524, 5996, 6786, 8994, 13491, 13572, 17988, 19487, 26982, 38974, 43471, 53964, 58461, 77948, 86942, 116922, 130413, 173884, 175383, 233844, 260826, 350766, 391239, 521652, 565123, 701532, 782478, 1130246, 1564956, 1695369, 2260492, 3390738, 5086107, 6781476, 10172214, 20344428]

約数ペア:

[(1, 20344428), (2, 10172214), (3, 6781476), (4, 5086107), (6, 3390738), (9, 2260492), (12, 1695369), (13, 1564956), (18, 1130246), (26, 782478), (29, 701532), (36, 565123), (39, 521652), (52, 391239), (58, 350766), (78, 260826), (87, 233844), (116, 175383), (117, 173884), (156, 130413), (174, 116922), (234, 86942), (261, 77948), (348, 58461), (377, 53964), (468, 43471), (522, 38974), (754, 26982), (1044, 19487), (1131, 17988), (1499, 13572), (1508, 13491), (2262, 8994), (2998, 6786), (3393, 5996), (4497, 4524)]