20119428

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2957}}^1$

素因数の和:2983

約数の個数: 72

約数和(自身を含む): 60295872

約数和(自身を除く): 40176444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2957, 3402, 5914, 6804, 8871, 11828, 17742, 20699, 26613, 35484, 41398, 53226, 62097, 79839, 82796, 106452, 124194, 159678, 186291, 239517, 248388, 319356, 372582, 479034, 558873, 718551, 745164, 958068, 1117746, 1437102, 1676619, 2235492, 2874204, 3353238, 5029857, 6706476, 10059714, 20119428]

約数ペア:

[(1, 20119428), (2, 10059714), (3, 6706476), (4, 5029857), (6, 3353238), (7, 2874204), (9, 2235492), (12, 1676619), (14, 1437102), (18, 1117746), (21, 958068), (27, 745164), (28, 718551), (36, 558873), (42, 479034), (54, 372582), (63, 319356), (81, 248388), (84, 239517), (108, 186291), (126, 159678), (162, 124194), (189, 106452), (243, 82796), (252, 79839), (324, 62097), (378, 53226), (486, 41398), (567, 35484), (756, 26613), (972, 20699), (1134, 17742), (1701, 11828), (2268, 8871), (2957, 6804), (3402, 5914)]