20696718

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 52744608

約数和(自身を除く): 32047890

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 49, 51, 82, 98, 101, 102, 119, 123, 147, 202, 238, 246, 287, 294, 303, 357, 574, 606, 697, 707, 714, 833, 861, 1394, 1414, 1666, 1717, 1722, 2009, 2091, 2121, 2499, 3434, 4018, 4141, 4182, 4242, 4879, 4949, 4998, 5151, 6027, 8282, 9758, 9898, 10302, 12019, 12054, 12423, 14637, 14847, 24038, 24846, 28987, 29274, 29694, 34153, 36057, 57974, 68306, 70397, 72114, 84133, 86961, 102459, 140794, 168266, 173922, 202909, 204918, 211191, 252399, 405818, 422382, 492779, 504798, 608727, 985558, 1217454, 1478337, 2956674, 3449453, 6898906, 10348359, 20696718]

約数ペア:

[(1, 20696718), (2, 10348359), (3, 6898906), (6, 3449453), (7, 2956674), (14, 1478337), (17, 1217454), (21, 985558), (34, 608727), (41, 504798), (42, 492779), (49, 422382), (51, 405818), (82, 252399), (98, 211191), (101, 204918), (102, 202909), (119, 173922), (123, 168266), (147, 140794), (202, 102459), (238, 86961), (246, 84133), (287, 72114), (294, 70397), (303, 68306), (357, 57974), (574, 36057), (606, 34153), (697, 29694), (707, 29274), (714, 28987), (833, 24846), (861, 24038), (1394, 14847), (1414, 14637), (1666, 12423), (1717, 12054), (1722, 12019), (2009, 10302), (2091, 9898), (2121, 9758), (2499, 8282), (3434, 6027), (4018, 5151), (4141, 4998), (4182, 4949), (4242, 4879)]