20163980380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{613633}}^1$

素因数の和:613726

約数の個数: 48

約数和(自身を含む): 44535101184

約数和(自身を除く): 24371120804

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 3286, 6572, 8215, 16430, 32860, 613633, 1227266, 2454532, 3068165, 6136330, 12272660, 19022623, 32522549, 38045246, 65045098, 76090492, 95113115, 130090196, 162612745, 190226230, 325225490, 380452460, 650450980, 1008199019, 2016398038, 4032796076, 5040995095, 10081990190, 20163980380]

約数ペア:

[(1, 20163980380), (2, 10081990190), (4, 5040995095), (5, 4032796076), (10, 2016398038), (20, 1008199019), (31, 650450980), (53, 380452460), (62, 325225490), (106, 190226230), (124, 162612745), (155, 130090196), (212, 95113115), (265, 76090492), (310, 65045098), (530, 38045246), (620, 32522549), (1060, 19022623), (1643, 12272660), (3286, 6136330), (6572, 3068165), (8215, 2454532), (16430, 1227266), (32860, 613633)]