20731388508

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{11279}}^1$

素因数の和:11390

約数の個数: 144

約数和(自身を含む): 57023016960

約数和(自身を除く): 36291628452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 61, 62, 81, 93, 108, 122, 124, 162, 183, 186, 243, 244, 279, 324, 366, 372, 486, 549, 558, 732, 837, 972, 1098, 1116, 1647, 1674, 1891, 2196, 2511, 3294, 3348, 3782, 4941, 5022, 5673, 6588, 7533, 7564, 9882, 10044, 11279, 11346, 14823, 15066, 17019, 19764, 22558, 22692, 29646, 30132, 33837, 34038, 45116, 51057, 59292, 67674, 68076, 101511, 102114, 135348, 153171, 203022, 204228, 304533, 306342, 349649, 406044, 459513, 609066, 612684, 688019, 699298, 913599, 919026, 1048947, 1218132, 1376038, 1398596, 1827198, 1838052, 2064057, 2097894, 2740797, 2752076, 3146841, 3654396, 4128114, 4195788, 5481594, 6192171, 6293682, 8256228, 9440523, 10963188, 12384342, 12587364, 18576513, 18881046, 21328589, 24768684, 28321569, 37153026, 37762092, 42657178, 55729539, 56643138, 63985767, 74306052, 84964707, 85314356, 111459078, 113286276, 127971534, 167188617, 169929414, 191957301, 222918156, 255943068, 334377234, 339858828, 383914602, 575871903, 668754468, 767829204, 1151743806, 1727615709, 2303487612, 3455231418, 5182847127, 6910462836, 10365694254, 20731388508]

約数ペア:

[(1, 20731388508), (2, 10365694254), (3, 6910462836), (4, 5182847127), (6, 3455231418), (9, 2303487612), (12, 1727615709), (18, 1151743806), (27, 767829204), (31, 668754468), (36, 575871903), (54, 383914602), (61, 339858828), (62, 334377234), (81, 255943068), (93, 222918156), (108, 191957301), (122, 169929414), (124, 167188617), (162, 127971534), (183, 113286276), (186, 111459078), (243, 85314356), (244, 84964707), (279, 74306052), (324, 63985767), (366, 56643138), (372, 55729539), (486, 42657178), (549, 37762092), (558, 37153026), (732, 28321569), (837, 24768684), (972, 21328589), (1098, 18881046), (1116, 18576513), (1647, 12587364), (1674, 12384342), (1891, 10963188), (2196, 9440523), (2511, 8256228), (3294, 6293682), (3348, 6192171), (3782, 5481594), (4941, 4195788), (5022, 4128114), (5673, 3654396), (6588, 3146841), (7533, 2752076), (7564, 2740797), (9882, 2097894), (10044, 2064057), (11279, 1838052), (11346, 1827198), (14823, 1398596), (15066, 1376038), (17019, 1218132), (19764, 1048947), (22558, 919026), (22692, 913599), (29646, 699298), (30132, 688019), (33837, 612684), (34038, 609066), (45116, 459513), (51057, 406044), (59292, 349649), (67674, 306342), (68076, 304533), (101511, 204228), (102114, 203022), (135348, 153171)]