20218558458

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{10343}}^1$

素因数の和:10532

約数の個数: 96

約数和(自身を含む): 48253518720

約数和(自身を除く): 28034960262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 109, 122, 147, 183, 218, 294, 327, 366, 427, 654, 763, 854, 1281, 1526, 2289, 2562, 2989, 4578, 5341, 5978, 6649, 8967, 10343, 10682, 13298, 16023, 17934, 19947, 20686, 31029, 32046, 39894, 46543, 62058, 72401, 93086, 139629, 144802, 217203, 279258, 325801, 434406, 506807, 630923, 651602, 977403, 1013614, 1127387, 1261846, 1520421, 1892769, 1954806, 2254774, 3040842, 3382161, 3785538, 4416461, 6764322, 7891709, 8832922, 13249383, 15783418, 23675127, 26498766, 30915227, 47350254, 55241963, 61830454, 68770607, 92745681, 110483926, 137541214, 165725889, 185491362, 206311821, 331451778, 412623642, 481394249, 962788498, 1444182747, 2888365494, 3369759743, 6739519486, 10109279229, 20218558458]

約数ペア:

[(1, 20218558458), (2, 10109279229), (3, 6739519486), (6, 3369759743), (7, 2888365494), (14, 1444182747), (21, 962788498), (42, 481394249), (49, 412623642), (61, 331451778), (98, 206311821), (109, 185491362), (122, 165725889), (147, 137541214), (183, 110483926), (218, 92745681), (294, 68770607), (327, 61830454), (366, 55241963), (427, 47350254), (654, 30915227), (763, 26498766), (854, 23675127), (1281, 15783418), (1526, 13249383), (2289, 8832922), (2562, 7891709), (2989, 6764322), (4578, 4416461), (5341, 3785538), (5978, 3382161), (6649, 3040842), (8967, 2254774), (10343, 1954806), (10682, 1892769), (13298, 1520421), (16023, 1261846), (17934, 1127387), (19947, 1013614), (20686, 977403), (31029, 651602), (32046, 630923), (39894, 506807), (46543, 434406), (62058, 325801), (72401, 279258), (93086, 217203), (139629, 144802)]