20695324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 21683012

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 571, 697, 884, 1066, 1142, 1394, 2132, 2284, 2788, 7423, 9061, 9707, 14846, 18122, 19414, 23411, 29692, 36244, 38828, 46822, 93644, 126191, 252382, 304343, 397987, 504764, 608686, 795974, 1217372, 1591948, 5173831, 10347662, 20695324]

約数ペア:

[(1, 20695324), (2, 10347662), (4, 5173831), (13, 1591948), (17, 1217372), (26, 795974), (34, 608686), (41, 504764), (52, 397987), (68, 304343), (82, 252382), (164, 126191), (221, 93644), (442, 46822), (533, 38828), (571, 36244), (697, 29692), (884, 23411), (1066, 19414), (1142, 18122), (1394, 14846), (2132, 9707), (2284, 9061), (2788, 7423)]