20324224

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 43635600

約数和(自身を除く): 23311376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 128, 137, 152, 244, 274, 304, 488, 548, 608, 976, 1096, 1159, 1216, 1952, 2192, 2318, 2432, 2603, 3904, 4384, 4636, 5206, 7808, 8357, 8768, 9272, 10412, 16714, 17536, 18544, 20824, 33428, 37088, 41648, 66856, 74176, 83296, 133712, 148352, 158783, 166592, 267424, 317566, 333184, 534848, 635132, 1069696, 1270264, 2540528, 5081056, 10162112, 20324224]

約数ペア:

[(1, 20324224), (2, 10162112), (4, 5081056), (8, 2540528), (16, 1270264), (19, 1069696), (32, 635132), (38, 534848), (61, 333184), (64, 317566), (76, 267424), (122, 166592), (128, 158783), (137, 148352), (152, 133712), (244, 83296), (274, 74176), (304, 66856), (488, 41648), (548, 37088), (608, 33428), (976, 20824), (1096, 18544), (1159, 17536), (1216, 16714), (1952, 10412), (2192, 9272), (2318, 8768), (2432, 8357), (2603, 7808), (3904, 5206), (4384, 4636)]