20382174

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 47296080

約数和(自身を除く): 26913906

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 977, 1098, 1159, 1954, 2318, 2931, 3477, 5862, 6954, 8793, 10431, 17586, 18563, 20862, 37126, 55689, 59597, 111378, 119194, 167067, 178791, 334134, 357582, 536373, 1072746, 1132343, 2264686, 3397029, 6794058, 10191087, 20382174]

約数ペア:

[(1, 20382174), (2, 10191087), (3, 6794058), (6, 3397029), (9, 2264686), (18, 1132343), (19, 1072746), (38, 536373), (57, 357582), (61, 334134), (114, 178791), (122, 167067), (171, 119194), (183, 111378), (342, 59597), (366, 55689), (549, 37126), (977, 20862), (1098, 18563), (1159, 17586), (1954, 10431), (2318, 8793), (2931, 6954), (3477, 5862)]