20218557086

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2477}}^1$

素因数の和:2698

約数の個数: 96

約数和(自身を含む): 39153391200

約数和(自身を除く): 18934834114

約数列:

[1, 2, 7, 13, 14, 26, 43, 49, 86, 91, 98, 149, 182, 298, 301, 559, 602, 637, 1043, 1118, 1274, 1937, 2086, 2107, 2477, 3874, 3913, 4214, 4954, 6407, 7301, 7826, 12814, 13559, 14602, 17339, 27118, 27391, 32201, 34678, 44849, 54782, 64402, 83291, 89698, 94913, 106511, 121373, 166582, 189826, 213022, 225407, 242746, 313943, 369073, 450814, 583037, 627886, 738146, 745577, 1166074, 1384643, 1491154, 1577849, 2583511, 2769286, 3155698, 4081259, 4797949, 5167022, 5219039, 8162518, 9595898, 9692501, 10438078, 15870139, 18084577, 19385002, 31740278, 33585643, 36169154, 67171286, 67847507, 111090973, 135695014, 206311807, 222181946, 235099501, 412623614, 470199002, 777636811, 1444182649, 1555273622, 2888365298, 10109278543, 20218557086]

約数ペア:

[(1, 20218557086), (2, 10109278543), (7, 2888365298), (13, 1555273622), (14, 1444182649), (26, 777636811), (43, 470199002), (49, 412623614), (86, 235099501), (91, 222181946), (98, 206311807), (149, 135695014), (182, 111090973), (298, 67847507), (301, 67171286), (559, 36169154), (602, 33585643), (637, 31740278), (1043, 19385002), (1118, 18084577), (1274, 15870139), (1937, 10438078), (2086, 9692501), (2107, 9595898), (2477, 8162518), (3874, 5219039), (3913, 5167022), (4214, 4797949), (4954, 4081259), (6407, 3155698), (7301, 2769286), (7826, 2583511), (12814, 1577849), (13559, 1491154), (14602, 1384643), (17339, 1166074), (27118, 745577), (27391, 738146), (32201, 627886), (34678, 583037), (44849, 450814), (54782, 369073), (64402, 313943), (83291, 242746), (89698, 225407), (94913, 213022), (106511, 189826), (121373, 166582)]