20123850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 34872630

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 25, 30, 38, 46, 50, 57, 69, 75, 95, 114, 115, 138, 150, 190, 230, 285, 307, 345, 437, 475, 570, 575, 614, 690, 874, 921, 950, 1150, 1311, 1425, 1535, 1725, 1842, 2185, 2622, 2850, 3070, 3450, 4370, 4605, 5833, 6555, 7061, 7675, 9210, 10925, 11666, 13110, 14122, 15350, 17499, 21183, 21850, 23025, 29165, 32775, 34998, 35305, 42366, 46050, 58330, 65550, 70610, 87495, 105915, 134159, 145825, 174990, 176525, 211830, 268318, 291650, 353050, 402477, 437475, 529575, 670795, 804954, 874950, 1059150, 1341590, 2012385, 3353975, 4024770, 6707950, 10061925, 20123850]

約数ペア:

[(1, 20123850), (2, 10061925), (3, 6707950), (5, 4024770), (6, 3353975), (10, 2012385), (15, 1341590), (19, 1059150), (23, 874950), (25, 804954), (30, 670795), (38, 529575), (46, 437475), (50, 402477), (57, 353050), (69, 291650), (75, 268318), (95, 211830), (114, 176525), (115, 174990), (138, 145825), (150, 134159), (190, 105915), (230, 87495), (285, 70610), (307, 65550), (345, 58330), (437, 46050), (475, 42366), (570, 35305), (575, 34998), (614, 32775), (690, 29165), (874, 23025), (921, 21850), (950, 21183), (1150, 17499), (1311, 15350), (1425, 14122), (1535, 13110), (1725, 11666), (1842, 10925), (2185, 9210), (2622, 7675), (2850, 7061), (3070, 6555), (3450, 5833), (4370, 4605)]