20456083952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1579}}^1\times {\mathrm{47629}}^1$

素因数の和:49233

約数の個数: 40

約数和(自身を含む): 41992513200

約数和(自身を除く): 21536429248

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1579, 3158, 6316, 12632, 25264, 26843, 47629, 53686, 95258, 107372, 190516, 214744, 381032, 429488, 762064, 809693, 1619386, 3238772, 6477544, 12955088, 75206191, 150412382, 300824764, 601649528, 1203299056, 1278505247, 2557010494, 5114020988, 10228041976, 20456083952]

約数ペア:

[(1, 20456083952), (2, 10228041976), (4, 5114020988), (8, 2557010494), (16, 1278505247), (17, 1203299056), (34, 601649528), (68, 300824764), (136, 150412382), (272, 75206191), (1579, 12955088), (3158, 6477544), (6316, 3238772), (12632, 1619386), (25264, 809693), (26843, 762064), (47629, 429488), (53686, 381032), (95258, 214744), (107372, 190516)]