20200268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 41274240

約数和(自身を除く): 21073972

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 73, 76, 146, 209, 292, 331, 418, 662, 803, 836, 1324, 1387, 1606, 2774, 3212, 3641, 5548, 6289, 7282, 12578, 14564, 15257, 24163, 25156, 30514, 48326, 61028, 69179, 96652, 138358, 265793, 276716, 459097, 531586, 918194, 1063172, 1836388, 5050067, 10100134, 20200268]

約数ペア:

[(1, 20200268), (2, 10100134), (4, 5050067), (11, 1836388), (19, 1063172), (22, 918194), (38, 531586), (44, 459097), (73, 276716), (76, 265793), (146, 138358), (209, 96652), (292, 69179), (331, 61028), (418, 48326), (662, 30514), (803, 25156), (836, 24163), (1324, 15257), (1387, 14564), (1606, 12578), (2774, 7282), (3212, 6289), (3641, 5548)]