20123584380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1961363}}^1$

素因数の和:1961400

約数の個数: 96

約数和(自身を含む): 65901830400

約数和(自身を除く): 45778246020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 1961363, 3922726, 5884089, 7845452, 9806815, 11768178, 17652267, 19613630, 23536356, 29420445, 35304534, 37265897, 39227260, 52956801, 58840890, 70609068, 74531794, 88261335, 105913602, 111797691, 117681780, 149063588, 176522670, 186329485, 211827204, 223595382, 264784005, 335393073, 353045340, 372658970, 447190764, 529568010, 558988455, 670786146, 745317940, 1006179219, 1059136020, 1117976910, 1341572292, 1676965365, 2012358438, 2235953820, 3353930730, 4024716876, 5030896095, 6707861460, 10061792190, 20123584380]

約数ペア:

[(1, 20123584380), (2, 10061792190), (3, 6707861460), (4, 5030896095), (5, 4024716876), (6, 3353930730), (9, 2235953820), (10, 2012358438), (12, 1676965365), (15, 1341572292), (18, 1117976910), (19, 1059136020), (20, 1006179219), (27, 745317940), (30, 670786146), (36, 558988455), (38, 529568010), (45, 447190764), (54, 372658970), (57, 353045340), (60, 335393073), (76, 264784005), (90, 223595382), (95, 211827204), (108, 186329485), (114, 176522670), (135, 149063588), (171, 117681780), (180, 111797691), (190, 105913602), (228, 88261335), (270, 74531794), (285, 70609068), (342, 58840890), (380, 52956801), (513, 39227260), (540, 37265897), (570, 35304534), (684, 29420445), (855, 23536356), (1026, 19613630), (1140, 17652267), (1710, 11768178), (2052, 9806815), (2565, 7845452), (3420, 5884089), (5130, 3922726), (10260, 1961363)]