20867418

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 54355392

約数和(自身を除く): 33487974

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 67, 78, 99, 117, 121, 134, 143, 198, 201, 234, 242, 286, 363, 402, 429, 603, 726, 737, 858, 871, 1089, 1206, 1287, 1331, 1474, 1573, 1742, 2178, 2211, 2574, 2613, 2662, 3146, 3993, 4422, 4719, 5226, 6633, 7839, 7986, 8107, 9438, 9581, 11979, 13266, 14157, 15678, 16214, 17303, 19162, 23958, 24321, 28314, 28743, 34606, 48642, 51909, 57486, 72963, 86229, 89177, 103818, 105391, 145926, 155727, 172458, 178354, 210782, 267531, 311454, 316173, 535062, 632346, 802593, 948519, 1159301, 1605186, 1897038, 2318602, 3477903, 6955806, 10433709, 20867418]

約数ペア:

[(1, 20867418), (2, 10433709), (3, 6955806), (6, 3477903), (9, 2318602), (11, 1897038), (13, 1605186), (18, 1159301), (22, 948519), (26, 802593), (33, 632346), (39, 535062), (66, 316173), (67, 311454), (78, 267531), (99, 210782), (117, 178354), (121, 172458), (134, 155727), (143, 145926), (198, 105391), (201, 103818), (234, 89177), (242, 86229), (286, 72963), (363, 57486), (402, 51909), (429, 48642), (603, 34606), (726, 28743), (737, 28314), (858, 24321), (871, 23958), (1089, 19162), (1206, 17303), (1287, 16214), (1331, 15678), (1474, 14157), (1573, 13266), (1742, 11979), (2178, 9581), (2211, 9438), (2574, 8107), (2613, 7986), (2662, 7839), (3146, 6633), (3993, 5226), (4422, 4719)]