20992296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 57496320

約数和(自身を除く): 36504024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 1103, 1464, 1586, 2206, 2379, 3172, 3309, 4412, 4758, 6344, 6618, 8824, 9516, 13236, 14339, 19032, 26472, 28678, 43017, 57356, 67283, 86034, 114712, 134566, 172068, 201849, 269132, 344136, 403698, 538264, 807396, 874679, 1614792, 1749358, 2624037, 3498716, 5248074, 6997432, 10496148, 20992296]

約数ペア:

[(1, 20992296), (2, 10496148), (3, 6997432), (4, 5248074), (6, 3498716), (8, 2624037), (12, 1749358), (13, 1614792), (24, 874679), (26, 807396), (39, 538264), (52, 403698), (61, 344136), (78, 269132), (104, 201849), (122, 172068), (156, 134566), (183, 114712), (244, 86034), (312, 67283), (366, 57356), (488, 43017), (732, 28678), (793, 26472), (1103, 19032), (1464, 14339), (1586, 13236), (2206, 9516), (2379, 8824), (3172, 6618), (3309, 6344), (4412, 4758)]