20403576

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 61288920

約数和(自身を除く): 40885344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 37, 46, 54, 69, 72, 74, 81, 92, 108, 111, 138, 148, 162, 184, 207, 216, 222, 276, 296, 324, 333, 414, 444, 552, 621, 648, 666, 828, 851, 888, 999, 1242, 1332, 1369, 1656, 1702, 1863, 1998, 2484, 2553, 2664, 2738, 2997, 3404, 3726, 3996, 4107, 4968, 5106, 5476, 5994, 6808, 7452, 7659, 7992, 8214, 10212, 10952, 11988, 12321, 14904, 15318, 16428, 20424, 22977, 23976, 24642, 30636, 31487, 32856, 36963, 45954, 49284, 61272, 62974, 68931, 73926, 91908, 94461, 98568, 110889, 125948, 137862, 147852, 183816, 188922, 221778, 251896, 275724, 283383, 295704, 377844, 443556, 551448, 566766, 755688, 850149, 887112, 1133532, 1700298, 2267064, 2550447, 3400596, 5100894, 6801192, 10201788, 20403576]

約数ペア:

[(1, 20403576), (2, 10201788), (3, 6801192), (4, 5100894), (6, 3400596), (8, 2550447), (9, 2267064), (12, 1700298), (18, 1133532), (23, 887112), (24, 850149), (27, 755688), (36, 566766), (37, 551448), (46, 443556), (54, 377844), (69, 295704), (72, 283383), (74, 275724), (81, 251896), (92, 221778), (108, 188922), (111, 183816), (138, 147852), (148, 137862), (162, 125948), (184, 110889), (207, 98568), (216, 94461), (222, 91908), (276, 73926), (296, 68931), (324, 62974), (333, 61272), (414, 49284), (444, 45954), (552, 36963), (621, 32856), (648, 31487), (666, 30636), (828, 24642), (851, 23976), (888, 22977), (999, 20424), (1242, 16428), (1332, 15318), (1369, 14904), (1656, 12321), (1702, 11988), (1863, 10952), (1998, 10212), (2484, 8214), (2553, 7992), (2664, 7659), (2738, 7452), (2997, 6808), (3404, 5994), (3726, 5476), (3996, 5106), (4107, 4968)]