20055776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 43704864

約数和(自身を除く): 23649088

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1303, 1924, 2606, 3848, 5212, 7696, 10424, 15392, 16939, 20848, 33878, 41696, 48211, 67756, 96422, 135512, 192844, 271024, 385688, 542048, 626743, 771376, 1253486, 1542752, 2506972, 5013944, 10027888, 20055776]

約数ペア:

[(1, 20055776), (2, 10027888), (4, 5013944), (8, 2506972), (13, 1542752), (16, 1253486), (26, 771376), (32, 626743), (37, 542048), (52, 385688), (74, 271024), (104, 192844), (148, 135512), (208, 96422), (296, 67756), (416, 48211), (481, 41696), (592, 33878), (962, 20848), (1184, 16939), (1303, 15392), (1924, 10424), (2606, 7696), (3848, 5212)]