20447100128

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2309}}^1\times {\mathrm{3041}}^1$

素因数の和:5380

約数の個数: 96

約数和(自身を含む): 49582653120

約数和(自身を除く): 29135552992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2309, 2912, 3041, 4618, 6082, 9236, 12164, 16163, 18472, 21287, 24328, 30017, 32326, 36944, 39533, 42574, 48656, 60034, 64652, 73888, 79066, 85148, 97312, 120068, 129304, 158132, 170296, 210119, 240136, 258608, 276731, 316264, 340592, 420238, 480272, 517216, 553462, 632528, 681184, 840476, 960544, 1106924, 1265056, 1680952, 2213848, 3361904, 4427696, 6723808, 7021669, 8855392, 14043338, 28086676, 49151683, 56173352, 91281697, 98303366, 112346704, 182563394, 196606732, 224693408, 365126788, 393213464, 638971879, 730253576, 786426928, 1277943758, 1460507152, 1572853856, 2555887516, 2921014304, 5111775032, 10223550064, 20447100128]

約数ペア:

[(1, 20447100128), (2, 10223550064), (4, 5111775032), (7, 2921014304), (8, 2555887516), (13, 1572853856), (14, 1460507152), (16, 1277943758), (26, 786426928), (28, 730253576), (32, 638971879), (52, 393213464), (56, 365126788), (91, 224693408), (104, 196606732), (112, 182563394), (182, 112346704), (208, 98303366), (224, 91281697), (364, 56173352), (416, 49151683), (728, 28086676), (1456, 14043338), (2309, 8855392), (2912, 7021669), (3041, 6723808), (4618, 4427696), (6082, 3361904), (9236, 2213848), (12164, 1680952), (16163, 1265056), (18472, 1106924), (21287, 960544), (24328, 840476), (30017, 681184), (32326, 632528), (36944, 553462), (39533, 517216), (42574, 480272), (48656, 420238), (60034, 340592), (64652, 316264), (73888, 276731), (79066, 258608), (85148, 240136), (97312, 210119), (120068, 170296), (129304, 158132)]