20996937286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1\times {\mathrm{823}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 36262816128

約数和(自身を除く): 15265878842

約数列:

[1, 2, 13, 17, 26, 34, 197, 221, 293, 394, 442, 586, 823, 1646, 2561, 3349, 3809, 4981, 5122, 6698, 7618, 9962, 10699, 13991, 21398, 27982, 43537, 57721, 64753, 87074, 115442, 129506, 162131, 181883, 241139, 324262, 363766, 482278, 750373, 981257, 1500746, 1962514, 2107703, 2756227, 3134807, 4099363, 4215406, 5512454, 6269614, 8198726, 12756341, 25512682, 35830951, 47504383, 53291719, 71661902, 95008766, 106583438, 617556979, 807574511, 1235113958, 1615149022, 10498468643, 20996937286]

約数ペア:

[(1, 20996937286), (2, 10498468643), (13, 1615149022), (17, 1235113958), (26, 807574511), (34, 617556979), (197, 106583438), (221, 95008766), (293, 71661902), (394, 53291719), (442, 47504383), (586, 35830951), (823, 25512682), (1646, 12756341), (2561, 8198726), (3349, 6269614), (3809, 5512454), (4981, 4215406), (5122, 4099363), (6698, 3134807), (7618, 2756227), (9962, 2107703), (10699, 1962514), (13991, 1500746), (21398, 981257), (27982, 750373), (43537, 482278), (57721, 363766), (64753, 324262), (87074, 241139), (115442, 181883), (129506, 162131)]