20309328

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:617

約数の個数: 120

約数和(自身を含む): 64544480

約数和(自身を除く): 44235152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 571, 624, 684, 741, 912, 936, 988, 1142, 1368, 1482, 1713, 1872, 1976, 2223, 2284, 2736, 2964, 3426, 3952, 4446, 4568, 5139, 5928, 6852, 7423, 8892, 9136, 10278, 10849, 11856, 13704, 14846, 17784, 20556, 21698, 22269, 27408, 29692, 32547, 35568, 41112, 43396, 44538, 59384, 65094, 66807, 82224, 86792, 89076, 97641, 118768, 130188, 133614, 141037, 173584, 178152, 195282, 260376, 267228, 282074, 356304, 390564, 423111, 520752, 534456, 564148, 781128, 846222, 1068912, 1128296, 1269333, 1562256, 1692444, 2256592, 2538666, 3384888, 5077332, 6769776, 10154664, 20309328]

約数ペア:

[(1, 20309328), (2, 10154664), (3, 6769776), (4, 5077332), (6, 3384888), (8, 2538666), (9, 2256592), (12, 1692444), (13, 1562256), (16, 1269333), (18, 1128296), (19, 1068912), (24, 846222), (26, 781128), (36, 564148), (38, 534456), (39, 520752), (48, 423111), (52, 390564), (57, 356304), (72, 282074), (76, 267228), (78, 260376), (104, 195282), (114, 178152), (117, 173584), (144, 141037), (152, 133614), (156, 130188), (171, 118768), (208, 97641), (228, 89076), (234, 86792), (247, 82224), (304, 66807), (312, 65094), (342, 59384), (456, 44538), (468, 43396), (494, 41112), (571, 35568), (624, 32547), (684, 29692), (741, 27408), (912, 22269), (936, 21698), (988, 20556), (1142, 17784), (1368, 14846), (1482, 13704), (1713, 11856), (1872, 10849), (1976, 10278), (2223, 9136), (2284, 8892), (2736, 7423), (2964, 6852), (3426, 5928), (3952, 5139), (4446, 4568)]