20517202380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1\times {\mathrm{4007}}^1$

素因数の和:5479

約数の個数: 96

約数和(自身を含む): 58446259200

約数和(自身を除く): 37929056820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1399, 1830, 2798, 3660, 4007, 4197, 5596, 6995, 8014, 8394, 12021, 13990, 16028, 16788, 20035, 20985, 24042, 27980, 40070, 41970, 48084, 60105, 80140, 83940, 85339, 120210, 170678, 240420, 244427, 256017, 341356, 426695, 488854, 512034, 733281, 853390, 977708, 1024068, 1222135, 1280085, 1466562, 1706780, 2444270, 2560170, 2933124, 3666405, 4888540, 5120340, 5605793, 7332810, 11211586, 14665620, 16817379, 22423172, 28028965, 33634758, 56057930, 67269516, 84086895, 112115860, 168173790, 336347580, 341953373, 683906746, 1025860119, 1367813492, 1709766865, 2051720238, 3419533730, 4103440476, 5129300595, 6839067460, 10258601190, 20517202380]

約数ペア:

[(1, 20517202380), (2, 10258601190), (3, 6839067460), (4, 5129300595), (5, 4103440476), (6, 3419533730), (10, 2051720238), (12, 1709766865), (15, 1367813492), (20, 1025860119), (30, 683906746), (60, 341953373), (61, 336347580), (122, 168173790), (183, 112115860), (244, 84086895), (305, 67269516), (366, 56057930), (610, 33634758), (732, 28028965), (915, 22423172), (1220, 16817379), (1399, 14665620), (1830, 11211586), (2798, 7332810), (3660, 5605793), (4007, 5120340), (4197, 4888540), (5596, 3666405), (6995, 2933124), (8014, 2560170), (8394, 2444270), (12021, 1706780), (13990, 1466562), (16028, 1280085), (16788, 1222135), (20035, 1024068), (20985, 977708), (24042, 853390), (27980, 733281), (40070, 512034), (41970, 488854), (48084, 426695), (60105, 341356), (80140, 256017), (83940, 244427), (85339, 240420), (120210, 170678)]