20661186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 30948414

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 79, 91, 158, 182, 237, 273, 474, 479, 546, 553, 958, 1027, 1106, 1437, 1659, 2054, 2874, 3081, 3318, 3353, 6162, 6227, 6706, 7189, 10059, 12454, 14378, 18681, 20118, 21567, 37362, 37841, 43134, 43589, 75682, 87178, 113523, 130767, 227046, 261534, 264887, 491933, 529774, 794661, 983866, 1475799, 1589322, 2951598, 3443531, 6887062, 10330593, 20661186]

約数ペア:

[(1, 20661186), (2, 10330593), (3, 6887062), (6, 3443531), (7, 2951598), (13, 1589322), (14, 1475799), (21, 983866), (26, 794661), (39, 529774), (42, 491933), (78, 264887), (79, 261534), (91, 227046), (158, 130767), (182, 113523), (237, 87178), (273, 75682), (474, 43589), (479, 43134), (546, 37841), (553, 37362), (958, 21567), (1027, 20118), (1106, 18681), (1437, 14378), (1659, 12454), (2054, 10059), (2874, 7189), (3081, 6706), (3318, 6227), (3353, 6162)]