20111310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 72

約数和(自身を含む): 55275480

約数和(自身を除く): 35164170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 361, 570, 619, 722, 855, 1083, 1238, 1710, 1805, 1857, 2166, 3095, 3249, 3610, 3714, 5415, 5571, 6190, 6498, 9285, 10830, 11142, 11761, 16245, 18570, 23522, 27855, 32490, 35283, 55710, 58805, 70566, 105849, 117610, 176415, 211698, 223459, 352830, 446918, 529245, 670377, 1058490, 1117295, 1340754, 2011131, 2234590, 3351885, 4022262, 6703770, 10055655, 20111310]

約数ペア:

[(1, 20111310), (2, 10055655), (3, 6703770), (5, 4022262), (6, 3351885), (9, 2234590), (10, 2011131), (15, 1340754), (18, 1117295), (19, 1058490), (30, 670377), (38, 529245), (45, 446918), (57, 352830), (90, 223459), (95, 211698), (114, 176415), (171, 117610), (190, 105849), (285, 70566), (342, 58805), (361, 55710), (570, 35283), (619, 32490), (722, 27855), (855, 23522), (1083, 18570), (1238, 16245), (1710, 11761), (1805, 11142), (1857, 10830), (2166, 9285), (3095, 6498), (3249, 6190), (3610, 5571), (3714, 5415)]