20305110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:770

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 39449130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 399, 490, 570, 665, 727, 735, 798, 931, 1330, 1454, 1470, 1862, 1995, 2181, 2793, 3635, 3990, 4362, 4655, 5089, 5586, 7270, 9310, 10178, 10905, 13813, 13965, 15267, 21810, 25445, 27626, 27930, 30534, 35623, 41439, 50890, 69065, 71246, 76335, 82878, 96691, 106869, 138130, 152670, 178115, 193382, 207195, 213738, 290073, 356230, 414390, 483455, 534345, 580146, 676837, 966910, 1068690, 1353674, 1450365, 2030511, 2900730, 3384185, 4061022, 6768370, 10152555, 20305110]

約数ペア:

[(1, 20305110), (2, 10152555), (3, 6768370), (5, 4061022), (6, 3384185), (7, 2900730), (10, 2030511), (14, 1450365), (15, 1353674), (19, 1068690), (21, 966910), (30, 676837), (35, 580146), (38, 534345), (42, 483455), (49, 414390), (57, 356230), (70, 290073), (95, 213738), (98, 207195), (105, 193382), (114, 178115), (133, 152670), (147, 138130), (190, 106869), (210, 96691), (245, 82878), (266, 76335), (285, 71246), (294, 69065), (399, 50890), (490, 41439), (570, 35623), (665, 30534), (727, 27930), (735, 27626), (798, 25445), (931, 21810), (1330, 15267), (1454, 13965), (1470, 13813), (1862, 10905), (1995, 10178), (2181, 9310), (2793, 7270), (3635, 5586), (3990, 5089), (4362, 4655)]