20211863412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{220721}}^1$

素因数の和:221328

約数の個数: 48

約数和(自身を含む): 50875538112

約数和(自身を除く): 30663674700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 587, 1174, 1761, 2348, 3522, 7044, 7631, 15262, 22893, 30524, 45786, 91572, 220721, 441442, 662163, 882884, 1324326, 2648652, 2869373, 5738746, 8608119, 11477492, 17216238, 34432476, 129563227, 259126454, 388689681, 518252908, 777379362, 1554758724, 1684321951, 3368643902, 5052965853, 6737287804, 10105931706, 20211863412]

約数ペア:

[(1, 20211863412), (2, 10105931706), (3, 6737287804), (4, 5052965853), (6, 3368643902), (12, 1684321951), (13, 1554758724), (26, 777379362), (39, 518252908), (52, 388689681), (78, 259126454), (156, 129563227), (587, 34432476), (1174, 17216238), (1761, 11477492), (2348, 8608119), (3522, 5738746), (7044, 2869373), (7631, 2648652), (15262, 1324326), (22893, 882884), (30524, 662163), (45786, 441442), (91572, 220721)]