20139959190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{20731}}^1$

素因数の和:20854

約数の個数: 128

約数和(自身を含む): 54167242752

約数和(自身を除く): 34027283562

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 53, 65, 78, 94, 106, 130, 141, 159, 195, 235, 265, 282, 318, 390, 470, 530, 611, 689, 705, 795, 1222, 1378, 1410, 1590, 1833, 2067, 2491, 3055, 3445, 3666, 4134, 4982, 6110, 6890, 7473, 9165, 10335, 12455, 14946, 18330, 20670, 20731, 24910, 32383, 37365, 41462, 62193, 64766, 74730, 97149, 103655, 124386, 161915, 194298, 207310, 269503, 310965, 323830, 485745, 539006, 621930, 808509, 971490, 974357, 1098743, 1347515, 1617018, 1948714, 2197486, 2695030, 2923071, 3296229, 4042545, 4871785, 5493715, 5846142, 6592458, 8085090, 9743570, 10987430, 12666641, 14283659, 14615355, 16481145, 25333282, 28567318, 29230710, 32962290, 37999923, 42850977, 51640921, 63333205, 71418295, 75999846, 85701954, 103281842, 126666410, 142836590, 154922763, 189999615, 214254885, 258204605, 309845526, 379999230, 428509770, 516409210, 671331973, 774613815, 1342663946, 1549227630, 2013995919, 3356659865, 4027991838, 6713319730, 10069979595, 20139959190]

約数ペア:

[(1, 20139959190), (2, 10069979595), (3, 6713319730), (5, 4027991838), (6, 3356659865), (10, 2013995919), (13, 1549227630), (15, 1342663946), (26, 774613815), (30, 671331973), (39, 516409210), (47, 428509770), (53, 379999230), (65, 309845526), (78, 258204605), (94, 214254885), (106, 189999615), (130, 154922763), (141, 142836590), (159, 126666410), (195, 103281842), (235, 85701954), (265, 75999846), (282, 71418295), (318, 63333205), (390, 51640921), (470, 42850977), (530, 37999923), (611, 32962290), (689, 29230710), (705, 28567318), (795, 25333282), (1222, 16481145), (1378, 14615355), (1410, 14283659), (1590, 12666641), (1833, 10987430), (2067, 9743570), (2491, 8085090), (3055, 6592458), (3445, 5846142), (3666, 5493715), (4134, 4871785), (4982, 4042545), (6110, 3296229), (6890, 2923071), (7473, 2695030), (9165, 2197486), (10335, 1948714), (12455, 1617018), (14946, 1347515), (18330, 1098743), (20670, 974357), (20731, 971490), (24910, 808509), (32383, 621930), (37365, 539006), (41462, 485745), (62193, 323830), (64766, 310965), (74730, 269503), (97149, 207310), (103655, 194298), (124386, 161915)]