20715936

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6961}}^1$

素因数の和:7005

約数の個数: 48

約数和(自身を含む): 56141568

約数和(自身を除く): 35425632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 6961, 13922, 20883, 27844, 41766, 55688, 83532, 111376, 167064, 215791, 222752, 334128, 431582, 647373, 668256, 863164, 1294746, 1726328, 2589492, 3452656, 5178984, 6905312, 10357968, 20715936]

約数ペア:

[(1, 20715936), (2, 10357968), (3, 6905312), (4, 5178984), (6, 3452656), (8, 2589492), (12, 1726328), (16, 1294746), (24, 863164), (31, 668256), (32, 647373), (48, 431582), (62, 334128), (93, 222752), (96, 215791), (124, 167064), (186, 111376), (248, 83532), (372, 55688), (496, 41766), (744, 27844), (992, 20883), (1488, 13922), (2976, 6961)]