20173992064

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{76103}}^1$

素因数の和:76245

約数の個数: 64

約数和(自身を含む): 42694344000

約数和(自身を除く): 22520351936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 128, 152, 218, 304, 436, 608, 872, 1216, 1744, 2071, 2432, 3488, 4142, 6976, 8284, 13952, 16568, 33136, 66272, 76103, 132544, 152206, 265088, 304412, 608824, 1217648, 1445957, 2435296, 2891914, 4870592, 5783828, 8295227, 9741184, 11567656, 16590454, 23135312, 33180908, 46270624, 66361816, 92541248, 132723632, 157609313, 185082496, 265447264, 315218626, 530894528, 630437252, 1061789056, 1260874504, 2521749008, 5043498016, 10086996032, 20173992064]

約数ペア:

[(1, 20173992064), (2, 10086996032), (4, 5043498016), (8, 2521749008), (16, 1260874504), (19, 1061789056), (32, 630437252), (38, 530894528), (64, 315218626), (76, 265447264), (109, 185082496), (128, 157609313), (152, 132723632), (218, 92541248), (304, 66361816), (436, 46270624), (608, 33180908), (872, 23135312), (1216, 16590454), (1744, 11567656), (2071, 9741184), (2432, 8295227), (3488, 5783828), (4142, 4870592), (6976, 2891914), (8284, 2435296), (13952, 1445957), (16568, 1217648), (33136, 608824), (66272, 304412), (76103, 265088), (132544, 152206)]