20258190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 55800576

約数和(自身を除く): 35542386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 53, 62, 90, 93, 106, 137, 155, 159, 186, 265, 274, 279, 310, 318, 411, 465, 477, 530, 558, 685, 795, 822, 930, 954, 1233, 1370, 1395, 1590, 1643, 2055, 2385, 2466, 2790, 3286, 4110, 4247, 4770, 4929, 6165, 7261, 8215, 8494, 9858, 12330, 12741, 14522, 14787, 16430, 21235, 21783, 24645, 25482, 29574, 36305, 38223, 42470, 43566, 49290, 63705, 65349, 72610, 73935, 76446, 108915, 127410, 130698, 147870, 191115, 217830, 225091, 326745, 382230, 450182, 653490, 675273, 1125455, 1350546, 2025819, 2250910, 3376365, 4051638, 6752730, 10129095, 20258190]

約数ペア:

[(1, 20258190), (2, 10129095), (3, 6752730), (5, 4051638), (6, 3376365), (9, 2250910), (10, 2025819), (15, 1350546), (18, 1125455), (30, 675273), (31, 653490), (45, 450182), (53, 382230), (62, 326745), (90, 225091), (93, 217830), (106, 191115), (137, 147870), (155, 130698), (159, 127410), (186, 108915), (265, 76446), (274, 73935), (279, 72610), (310, 65349), (318, 63705), (411, 49290), (465, 43566), (477, 42470), (530, 38223), (558, 36305), (685, 29574), (795, 25482), (822, 24645), (930, 21783), (954, 21235), (1233, 16430), (1370, 14787), (1395, 14522), (1590, 12741), (1643, 12330), (2055, 9858), (2385, 8494), (2466, 8215), (2790, 7261), (3286, 6165), (4110, 4929), (4247, 4770)]