20903064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 68221440

約数和(自身を除く): 47318376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 51, 52, 56, 68, 78, 84, 91, 102, 104, 119, 136, 156, 168, 182, 204, 221, 238, 273, 312, 357, 364, 408, 442, 476, 546, 563, 663, 714, 728, 884, 952, 1092, 1126, 1326, 1428, 1547, 1689, 1768, 2184, 2252, 2652, 2856, 3094, 3378, 3941, 4504, 4641, 5304, 6188, 6756, 7319, 7882, 9282, 9571, 11823, 12376, 13512, 14638, 15764, 18564, 19142, 21957, 23646, 28713, 29276, 31528, 37128, 38284, 43914, 47292, 51233, 57426, 58552, 66997, 76568, 87828, 94584, 102466, 114852, 124423, 133994, 153699, 175656, 200991, 204932, 229704, 248846, 267988, 307398, 373269, 401982, 409864, 497692, 535976, 614796, 746538, 803964, 870961, 995384, 1229592, 1493076, 1607928, 1741922, 2612883, 2986152, 3483844, 5225766, 6967688, 10451532, 20903064]

約数ペア:

[(1, 20903064), (2, 10451532), (3, 6967688), (4, 5225766), (6, 3483844), (7, 2986152), (8, 2612883), (12, 1741922), (13, 1607928), (14, 1493076), (17, 1229592), (21, 995384), (24, 870961), (26, 803964), (28, 746538), (34, 614796), (39, 535976), (42, 497692), (51, 409864), (52, 401982), (56, 373269), (68, 307398), (78, 267988), (84, 248846), (91, 229704), (102, 204932), (104, 200991), (119, 175656), (136, 153699), (156, 133994), (168, 124423), (182, 114852), (204, 102466), (221, 94584), (238, 87828), (273, 76568), (312, 66997), (357, 58552), (364, 57426), (408, 51233), (442, 47292), (476, 43914), (546, 38284), (563, 37128), (663, 31528), (714, 29276), (728, 28713), (884, 23646), (952, 21957), (1092, 19142), (1126, 18564), (1326, 15764), (1428, 14638), (1547, 13512), (1689, 12376), (1768, 11823), (2184, 9571), (2252, 9282), (2652, 7882), (2856, 7319), (3094, 6756), (3378, 6188), (3941, 5304), (4504, 4641)]