20196288735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{326563}}^1$

素因数の和:326628

約数の個数: 64

約数和(自身を含む): 40128184320

約数和(自身を除く): 19931895585

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 155, 217, 285, 399, 465, 589, 651, 665, 1085, 1767, 1995, 2945, 3255, 4123, 8835, 12369, 20615, 61845, 326563, 979689, 1632815, 2285941, 4898445, 6204697, 6857823, 10123453, 11429705, 18614091, 30370359, 31023485, 34289115, 43432879, 50617265, 70864171, 93070455, 130298637, 151851795, 192345607, 212592513, 217164395, 354320855, 577036821, 651493185, 961728035, 1062962565, 1346419249, 2885184105, 4039257747, 6732096245, 20196288735]

約数ペア:

[(1, 20196288735), (3, 6732096245), (5, 4039257747), (7, 2885184105), (15, 1346419249), (19, 1062962565), (21, 961728035), (31, 651493185), (35, 577036821), (57, 354320855), (93, 217164395), (95, 212592513), (105, 192345607), (133, 151851795), (155, 130298637), (217, 93070455), (285, 70864171), (399, 50617265), (465, 43432879), (589, 34289115), (651, 31023485), (665, 30370359), (1085, 18614091), (1767, 11429705), (1995, 10123453), (2945, 6857823), (3255, 6204697), (4123, 4898445), (8835, 2285941), (12369, 1632815), (20615, 979689), (61845, 326563)]