20271276

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 56871360

約数和(自身を除く): 36600084

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 61, 68, 102, 108, 122, 153, 181, 183, 204, 244, 306, 362, 366, 459, 543, 549, 612, 724, 732, 918, 1037, 1086, 1098, 1629, 1647, 1836, 2074, 2172, 2196, 3077, 3111, 3258, 3294, 4148, 4887, 6154, 6222, 6516, 6588, 9231, 9333, 9774, 11041, 12308, 12444, 18462, 18666, 19548, 22082, 27693, 27999, 33123, 36924, 37332, 44164, 55386, 55998, 66246, 83079, 99369, 110772, 111996, 132492, 166158, 187697, 198738, 298107, 332316, 375394, 397476, 563091, 596214, 750788, 1126182, 1192428, 1689273, 2252364, 3378546, 5067819, 6757092, 10135638, 20271276]

約数ペア:

[(1, 20271276), (2, 10135638), (3, 6757092), (4, 5067819), (6, 3378546), (9, 2252364), (12, 1689273), (17, 1192428), (18, 1126182), (27, 750788), (34, 596214), (36, 563091), (51, 397476), (54, 375394), (61, 332316), (68, 298107), (102, 198738), (108, 187697), (122, 166158), (153, 132492), (181, 111996), (183, 110772), (204, 99369), (244, 83079), (306, 66246), (362, 55998), (366, 55386), (459, 44164), (543, 37332), (549, 36924), (612, 33123), (724, 27999), (732, 27693), (918, 22082), (1037, 19548), (1086, 18666), (1098, 18462), (1629, 12444), (1647, 12308), (1836, 11041), (2074, 9774), (2172, 9333), (2196, 9231), (3077, 6588), (3111, 6516), (3258, 6222), (3294, 6154), (4148, 4887)]