20908692

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{439}}^1$

素因数の和:472

約数の個数: 108

約数和(自身を含む): 63903840

約数和(自身を除く): 42995148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 439, 441, 486, 567, 588, 756, 878, 882, 972, 1134, 1317, 1323, 1701, 1756, 1764, 2268, 2634, 2646, 3073, 3402, 3951, 3969, 5268, 5292, 6146, 6804, 7902, 7938, 9219, 11853, 11907, 12292, 15804, 15876, 18438, 21511, 23706, 23814, 27657, 35559, 36876, 43022, 47412, 47628, 55314, 64533, 71118, 82971, 86044, 106677, 110628, 129066, 142236, 165942, 193599, 213354, 248913, 258132, 331884, 387198, 426708, 497826, 580797, 746739, 774396, 995652, 1161594, 1493478, 1742391, 2323188, 2986956, 3484782, 5227173, 6969564, 10454346, 20908692]

約数ペア:

[(1, 20908692), (2, 10454346), (3, 6969564), (4, 5227173), (6, 3484782), (7, 2986956), (9, 2323188), (12, 1742391), (14, 1493478), (18, 1161594), (21, 995652), (27, 774396), (28, 746739), (36, 580797), (42, 497826), (49, 426708), (54, 387198), (63, 331884), (81, 258132), (84, 248913), (98, 213354), (108, 193599), (126, 165942), (147, 142236), (162, 129066), (189, 110628), (196, 106677), (243, 86044), (252, 82971), (294, 71118), (324, 64533), (378, 55314), (439, 47628), (441, 47412), (486, 43022), (567, 36876), (588, 35559), (756, 27657), (878, 23814), (882, 23706), (972, 21511), (1134, 18438), (1317, 15876), (1323, 15804), (1701, 12292), (1756, 11907), (1764, 11853), (2268, 9219), (2634, 7938), (2646, 7902), (3073, 6804), (3402, 6146), (3951, 5292), (3969, 5268)]