20821476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10267}}^1$

素因数の和:10300

約数の個数: 36

約数和(自身を含む): 52613232

約数和(自身を除く): 31791756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10267, 20534, 30801, 41068, 61602, 123204, 133471, 266942, 400413, 533884, 800826, 1601652, 1735123, 3470246, 5205369, 6940492, 10410738, 20821476]

約数ペア:

[(1, 20821476), (2, 10410738), (3, 6940492), (4, 5205369), (6, 3470246), (12, 1735123), (13, 1601652), (26, 800826), (39, 533884), (52, 400413), (78, 266942), (156, 133471), (169, 123204), (338, 61602), (507, 41068), (676, 30801), (1014, 20534), (2028, 10267)]