20091111924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{940067}}^1$

素因数の和:940224

約数の個数: 48

約数和(自身を含む): 50853918528

約数和(自身を除く): 30762806604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1644, 1781, 3562, 5343, 7124, 10686, 21372, 940067, 1880134, 2820201, 3760268, 5640402, 11280804, 12220871, 24441742, 36662613, 48883484, 73325226, 128789179, 146650452, 257578358, 386367537, 515156716, 772735074, 1545470148, 1674259327, 3348518654, 5022777981, 6697037308, 10045555962, 20091111924]

約数ペア:

[(1, 20091111924), (2, 10045555962), (3, 6697037308), (4, 5022777981), (6, 3348518654), (12, 1674259327), (13, 1545470148), (26, 772735074), (39, 515156716), (52, 386367537), (78, 257578358), (137, 146650452), (156, 128789179), (274, 73325226), (411, 48883484), (548, 36662613), (822, 24441742), (1644, 12220871), (1781, 11280804), (3562, 5640402), (5343, 3760268), (7124, 2820201), (10686, 1880134), (21372, 940067)]