20195394908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{367}}^1\times {\mathrm{773}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 39274345152

約数和(自身を除く): 19078950244

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 367, 481, 734, 773, 962, 1369, 1468, 1546, 1924, 2738, 3092, 4771, 5476, 9542, 10049, 13579, 17797, 19084, 20098, 27158, 28601, 35594, 40196, 54316, 57202, 71188, 114404, 176527, 283691, 353054, 371813, 502423, 567382, 706108, 743626, 1004846, 1058237, 1134764, 1487252, 2009692, 2116474, 3687983, 4232948, 6531499, 7375966, 10496567, 13062998, 13757081, 14751932, 20993134, 26125996, 27514162, 41986268, 55028324, 136455371, 272910742, 388372979, 545821484, 776745958, 1553491916, 5048848727, 10097697454, 20195394908]

約数ペア:

[(1, 20195394908), (2, 10097697454), (4, 5048848727), (13, 1553491916), (26, 776745958), (37, 545821484), (52, 388372979), (74, 272910742), (148, 136455371), (367, 55028324), (481, 41986268), (734, 27514162), (773, 26125996), (962, 20993134), (1369, 14751932), (1468, 13757081), (1546, 13062998), (1924, 10496567), (2738, 7375966), (3092, 6531499), (4771, 4232948), (5476, 3687983), (9542, 2116474), (10049, 2009692), (13579, 1487252), (17797, 1134764), (19084, 1058237), (20098, 1004846), (27158, 743626), (28601, 706108), (35594, 567382), (40196, 502423), (54316, 371813), (57202, 353054), (71188, 283691), (114404, 176527)]