20179261030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 39092245920

約数和(自身を除く): 18912984890

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 181, 190, 347, 361, 362, 445, 694, 722, 890, 905, 1691, 1735, 1805, 1810, 3382, 3439, 3470, 3610, 6593, 6878, 8455, 13186, 16109, 16910, 17195, 30883, 32129, 32218, 32965, 34390, 61766, 62807, 64258, 65341, 65930, 80545, 125267, 125614, 130682, 154415, 160645, 161090, 250534, 306071, 308830, 314035, 321290, 326705, 586777, 612142, 626335, 628070, 653410, 1173554, 1193333, 1252670, 1530355, 2386666, 2933885, 3060710, 5589823, 5815349, 5867770, 5966665, 11148763, 11179646, 11630698, 11933330, 22297526, 22673327, 27949115, 29076745, 45346654, 55743815, 55898230, 58153490, 106206637, 111487630, 113366635, 212413274, 226733270, 531033185, 1062066370, 2017926103, 4035852206, 10089630515, 20179261030]

約数ペア:

[(1, 20179261030), (2, 10089630515), (5, 4035852206), (10, 2017926103), (19, 1062066370), (38, 531033185), (89, 226733270), (95, 212413274), (178, 113366635), (181, 111487630), (190, 106206637), (347, 58153490), (361, 55898230), (362, 55743815), (445, 45346654), (694, 29076745), (722, 27949115), (890, 22673327), (905, 22297526), (1691, 11933330), (1735, 11630698), (1805, 11179646), (1810, 11148763), (3382, 5966665), (3439, 5867770), (3470, 5815349), (3610, 5589823), (6593, 3060710), (6878, 2933885), (8455, 2386666), (13186, 1530355), (16109, 1252670), (16910, 1193333), (17195, 1173554), (30883, 653410), (32129, 628070), (32218, 626335), (32965, 612142), (34390, 586777), (61766, 326705), (62807, 321290), (64258, 314035), (65341, 308830), (65930, 306071), (80545, 250534), (125267, 161090), (125614, 160645), (130682, 154415)]