20561024

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{859}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 47368800

約数和(自身を除く): 26807776

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 859, 1088, 1408, 1496, 1718, 2176, 2992, 3436, 5984, 6872, 9449, 11968, 13744, 14603, 18898, 23936, 27488, 29206, 37796, 54976, 58412, 75592, 109952, 116824, 151184, 160633, 233648, 302368, 321266, 467296, 604736, 642532, 934592, 1209472, 1285064, 1869184, 2570128, 5140256, 10280512, 20561024]

約数ペア:

[(1, 20561024), (2, 10280512), (4, 5140256), (8, 2570128), (11, 1869184), (16, 1285064), (17, 1209472), (22, 934592), (32, 642532), (34, 604736), (44, 467296), (64, 321266), (68, 302368), (88, 233648), (128, 160633), (136, 151184), (176, 116824), (187, 109952), (272, 75592), (352, 58412), (374, 54976), (544, 37796), (704, 29206), (748, 27488), (859, 23936), (1088, 18898), (1408, 14603), (1496, 13744), (1718, 11968), (2176, 9449), (2992, 6872), (3436, 5984)]