20211037080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{29921}}^1$

素因数の和:30381

約数の個数: 128

約数和(自身を含む): 65450185920

約数和(自身を除く): 45239148840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 433, 520, 780, 866, 1299, 1560, 1732, 2165, 2598, 3464, 4330, 5196, 5629, 6495, 8660, 10392, 11258, 12990, 16887, 17320, 22516, 25980, 28145, 29921, 33774, 45032, 51960, 56290, 59842, 67548, 84435, 89763, 112580, 119684, 135096, 149605, 168870, 179526, 225160, 239368, 299210, 337740, 359052, 388973, 448815, 598420, 675480, 718104, 777946, 897630, 1166919, 1196840, 1555892, 1795260, 1944865, 2333838, 3111784, 3590520, 3889730, 4667676, 5834595, 7779460, 9335352, 11669190, 12955793, 15558920, 23338380, 25911586, 38867379, 46676760, 51823172, 64778965, 77734758, 103646344, 129557930, 155469516, 168425309, 194336895, 259115860, 310939032, 336850618, 388673790, 505275927, 518231720, 673701236, 777347580, 842126545, 1010551854, 1347402472, 1554695160, 1684253090, 2021103708, 2526379635, 3368506180, 4042207416, 5052759270, 6737012360, 10105518540, 20211037080]

約数ペア:

[(1, 20211037080), (2, 10105518540), (3, 6737012360), (4, 5052759270), (5, 4042207416), (6, 3368506180), (8, 2526379635), (10, 2021103708), (12, 1684253090), (13, 1554695160), (15, 1347402472), (20, 1010551854), (24, 842126545), (26, 777347580), (30, 673701236), (39, 518231720), (40, 505275927), (52, 388673790), (60, 336850618), (65, 310939032), (78, 259115860), (104, 194336895), (120, 168425309), (130, 155469516), (156, 129557930), (195, 103646344), (260, 77734758), (312, 64778965), (390, 51823172), (433, 46676760), (520, 38867379), (780, 25911586), (866, 23338380), (1299, 15558920), (1560, 12955793), (1732, 11669190), (2165, 9335352), (2598, 7779460), (3464, 5834595), (4330, 4667676), (5196, 3889730), (5629, 3590520), (6495, 3111784), (8660, 2333838), (10392, 1944865), (11258, 1795260), (12990, 1555892), (16887, 1196840), (17320, 1166919), (22516, 897630), (25980, 777946), (28145, 718104), (29921, 675480), (33774, 598420), (45032, 448815), (51960, 388973), (56290, 359052), (59842, 337740), (67548, 299210), (84435, 239368), (89763, 225160), (112580, 179526), (119684, 168870), (135096, 149605)]