20177500980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3695513}}^1$

素因数の和:3695545

約数の個数: 96

約数和(自身を含む): 69534791424

約数和(自身を除く): 49357290444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 3695513, 7391026, 11086539, 14782052, 18477565, 22173078, 25868591, 36955130, 44346156, 48041669, 51737182, 55432695, 73910260, 77605773, 96083338, 103474364, 110865390, 129342955, 144125007, 155211546, 192166676, 221730780, 240208345, 258685910, 288250014, 310423092, 336291683, 388028865, 480416690, 517371820, 576500028, 672583366, 720625035, 776057730, 960833380, 1008875049, 1345166732, 1441250070, 1552115460, 1681458415, 2017750098, 2882500140, 3362916830, 4035500196, 5044375245, 6725833660, 10088750490, 20177500980]

約数ペア:

[(1, 20177500980), (2, 10088750490), (3, 6725833660), (4, 5044375245), (5, 4035500196), (6, 3362916830), (7, 2882500140), (10, 2017750098), (12, 1681458415), (13, 1552115460), (14, 1441250070), (15, 1345166732), (20, 1008875049), (21, 960833380), (26, 776057730), (28, 720625035), (30, 672583366), (35, 576500028), (39, 517371820), (42, 480416690), (52, 388028865), (60, 336291683), (65, 310423092), (70, 288250014), (78, 258685910), (84, 240208345), (91, 221730780), (105, 192166676), (130, 155211546), (140, 144125007), (156, 129342955), (182, 110865390), (195, 103474364), (210, 96083338), (260, 77605773), (273, 73910260), (364, 55432695), (390, 51737182), (420, 48041669), (455, 44346156), (546, 36955130), (780, 25868591), (910, 22173078), (1092, 18477565), (1365, 14782052), (1820, 11086539), (2730, 7391026), (5460, 3695513)]