20187984670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{2777}}^1$

素因数の和:2998

約数の個数: 128

約数和(自身を含む): 45363628800

約数和(自身を除く): 25175644130

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 70, 82, 85, 119, 149, 170, 205, 238, 287, 298, 410, 574, 595, 697, 745, 1043, 1190, 1394, 1435, 1490, 2086, 2533, 2777, 2870, 3485, 4879, 5066, 5215, 5554, 6109, 6970, 9758, 10430, 12218, 12665, 13885, 17731, 19439, 24395, 25330, 27770, 30545, 35462, 38878, 42763, 47209, 48790, 61090, 85526, 88655, 94418, 97195, 103853, 113857, 177310, 194390, 207706, 213815, 227714, 236045, 330463, 413773, 427630, 472090, 519265, 569285, 660926, 726971, 796999, 827546, 1038530, 1138570, 1453942, 1593998, 1652315, 1935569, 2068865, 2896411, 3304630, 3634855, 3871138, 3984995, 4137730, 5792822, 7034141, 7269710, 7969990, 9677845, 13548983, 14068282, 14482055, 16964693, 19355690, 27097966, 28964110, 33929386, 35170705, 49238987, 67744915, 70341410, 84823465, 98477974, 118752851, 135489830, 169646930, 237505702, 246194935, 288399781, 492389870, 576799562, 593764255, 1187528510, 1441998905, 2018798467, 2883997810, 4037596934, 10093992335, 20187984670]

約数ペア:

[(1, 20187984670), (2, 10093992335), (5, 4037596934), (7, 2883997810), (10, 2018798467), (14, 1441998905), (17, 1187528510), (34, 593764255), (35, 576799562), (41, 492389870), (70, 288399781), (82, 246194935), (85, 237505702), (119, 169646930), (149, 135489830), (170, 118752851), (205, 98477974), (238, 84823465), (287, 70341410), (298, 67744915), (410, 49238987), (574, 35170705), (595, 33929386), (697, 28964110), (745, 27097966), (1043, 19355690), (1190, 16964693), (1394, 14482055), (1435, 14068282), (1490, 13548983), (2086, 9677845), (2533, 7969990), (2777, 7269710), (2870, 7034141), (3485, 5792822), (4879, 4137730), (5066, 3984995), (5215, 3871138), (5554, 3634855), (6109, 3304630), (6970, 2896411), (9758, 2068865), (10430, 1935569), (12218, 1652315), (12665, 1593998), (13885, 1453942), (17731, 1138570), (19439, 1038530), (24395, 827546), (25330, 796999), (27770, 726971), (30545, 660926), (35462, 569285), (38878, 519265), (42763, 472090), (47209, 427630), (48790, 413773), (61090, 330463), (85526, 236045), (88655, 227714), (94418, 213815), (97195, 207706), (103853, 194390), (113857, 177310)]