20120481990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31937273}}^1$

素因数の和:31937293

約数の個数: 48

約数和(自身を含む): 59786576928

約数和(自身を除く): 39666094938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31937273, 63874546, 95811819, 159686365, 191623638, 223560911, 287435457, 319372730, 447121822, 479059095, 574870914, 670682733, 958118190, 1117804555, 1341365466, 1437177285, 2012048199, 2235609110, 2874354570, 3353413665, 4024096398, 6706827330, 10060240995, 20120481990]

約数ペア:

[(1, 20120481990), (2, 10060240995), (3, 6706827330), (5, 4024096398), (6, 3353413665), (7, 2874354570), (9, 2235609110), (10, 2012048199), (14, 1437177285), (15, 1341365466), (18, 1117804555), (21, 958118190), (30, 670682733), (35, 574870914), (42, 479059095), (45, 447121822), (63, 319372730), (70, 287435457), (90, 223560911), (105, 191623638), (126, 159686365), (210, 95811819), (315, 63874546), (630, 31937273)]