20199062975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74611}}^1$

素因数の和:74665

約数の個数: 72

約数和(自身を含む): 33223529808

約数和(自身を除く): 13024466833

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 85, 91, 119, 175, 221, 245, 325, 425, 455, 595, 637, 833, 1105, 1225, 1547, 2275, 2975, 3185, 4165, 5525, 7735, 10829, 15925, 20825, 38675, 54145, 74611, 270725, 373055, 522277, 969943, 1268387, 1865275, 2611385, 3655939, 4849715, 6341935, 6789601, 8878709, 13056925, 16489031, 18279695, 24248575, 31709675, 33948005, 44393545, 47527207, 62150963, 82445155, 91398475, 115423217, 169740025, 221967725, 237636035, 310754815, 412225775, 577116085, 807962519, 1188180175, 1553774075, 2885580425, 4039812595, 20199062975]

約数ペア:

[(1, 20199062975), (5, 4039812595), (7, 2885580425), (13, 1553774075), (17, 1188180175), (25, 807962519), (35, 577116085), (49, 412225775), (65, 310754815), (85, 237636035), (91, 221967725), (119, 169740025), (175, 115423217), (221, 91398475), (245, 82445155), (325, 62150963), (425, 47527207), (455, 44393545), (595, 33948005), (637, 31709675), (833, 24248575), (1105, 18279695), (1225, 16489031), (1547, 13056925), (2275, 8878709), (2975, 6789601), (3185, 6341935), (4165, 4849715), (5525, 3655939), (7735, 2611385), (10829, 1865275), (15925, 1268387), (20825, 969943), (38675, 522277), (54145, 373055), (74611, 270725)]