20558988

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 37098612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 43, 54, 57, 76, 86, 108, 114, 129, 171, 172, 228, 233, 258, 342, 387, 466, 513, 516, 684, 699, 774, 817, 932, 1026, 1161, 1398, 1548, 1634, 2052, 2097, 2322, 2451, 2796, 3268, 4194, 4427, 4644, 4902, 6291, 7353, 8388, 8854, 9804, 10019, 12582, 13281, 14706, 17708, 20038, 22059, 25164, 26562, 29412, 30057, 39843, 40076, 44118, 53124, 60114, 79686, 88236, 90171, 119529, 120228, 159372, 180342, 190361, 239058, 270513, 360684, 380722, 478116, 541026, 571083, 761444, 1082052, 1142166, 1713249, 2284332, 3426498, 5139747, 6852996, 10279494, 20558988]

約数ペア:

[(1, 20558988), (2, 10279494), (3, 6852996), (4, 5139747), (6, 3426498), (9, 2284332), (12, 1713249), (18, 1142166), (19, 1082052), (27, 761444), (36, 571083), (38, 541026), (43, 478116), (54, 380722), (57, 360684), (76, 270513), (86, 239058), (108, 190361), (114, 180342), (129, 159372), (171, 120228), (172, 119529), (228, 90171), (233, 88236), (258, 79686), (342, 60114), (387, 53124), (466, 44118), (513, 40076), (516, 39843), (684, 30057), (699, 29412), (774, 26562), (817, 25164), (932, 22059), (1026, 20038), (1161, 17708), (1398, 14706), (1548, 13281), (1634, 12582), (2052, 10019), (2097, 9804), (2322, 8854), (2451, 8388), (2796, 7353), (3268, 6291), (4194, 4902), (4427, 4644)]