20532225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 40824768

約数和(自身を除く): 20292543

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 49, 75, 105, 111, 147, 151, 175, 185, 245, 259, 453, 525, 555, 735, 755, 777, 925, 1057, 1225, 1295, 1813, 2265, 2775, 3171, 3675, 3775, 3885, 5285, 5439, 5587, 6475, 7399, 9065, 11325, 15855, 16761, 19425, 22197, 26425, 27195, 27935, 36995, 39109, 45325, 79275, 83805, 110985, 117327, 135975, 139675, 184975, 195545, 273763, 419025, 554925, 586635, 821289, 977725, 1368815, 2933175, 4106445, 6844075, 20532225]

約数ペア:

[(1, 20532225), (3, 6844075), (5, 4106445), (7, 2933175), (15, 1368815), (21, 977725), (25, 821289), (35, 586635), (37, 554925), (49, 419025), (75, 273763), (105, 195545), (111, 184975), (147, 139675), (151, 135975), (175, 117327), (185, 110985), (245, 83805), (259, 79275), (453, 45325), (525, 39109), (555, 36995), (735, 27935), (755, 27195), (777, 26425), (925, 22197), (1057, 19425), (1225, 16761), (1295, 15855), (1813, 11325), (2265, 9065), (2775, 7399), (3171, 6475), (3675, 5587), (3775, 5439), (3885, 5285)]