20189367692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1\times {\mathrm{2393}}^1$

素因数の和:4322

約数の個数: 48

約数和(自身を含む): 38513905920

約数和(自身を除く): 18324538228

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 1823, 2314, 2393, 3646, 4628, 4786, 7292, 9572, 23699, 31109, 47398, 62218, 94796, 124436, 162247, 212977, 324494, 425954, 648988, 851908, 2109211, 2768701, 4218422, 4362439, 5537402, 8436844, 8724878, 11074804, 17449756, 56711707, 113423414, 226846828, 388257071, 776514142, 1553028284, 5047341923, 10094683846, 20189367692]

約数ペア:

[(1, 20189367692), (2, 10094683846), (4, 5047341923), (13, 1553028284), (26, 776514142), (52, 388257071), (89, 226846828), (178, 113423414), (356, 56711707), (1157, 17449756), (1823, 11074804), (2314, 8724878), (2393, 8436844), (3646, 5537402), (4628, 4362439), (4786, 4218422), (7292, 2768701), (9572, 2109211), (23699, 851908), (31109, 648988), (47398, 425954), (62218, 324494), (94796, 212977), (124436, 162247)]