20054410012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{136711}}^1$

素因数の和:136779

約数の個数: 72

約数和(自身を含む): 44832786432

約数和(自身を除く): 24778376420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2366, 2821, 4732, 5239, 5642, 10478, 11284, 20956, 36673, 73346, 136711, 146692, 273422, 546844, 956977, 1777243, 1913954, 3554486, 3827908, 4238041, 7108972, 8476082, 12440701, 16952164, 23104159, 24881402, 29666287, 46208318, 49762804, 55094533, 59332574, 92416636, 110189066, 118665148, 161729113, 220378132, 323458226, 385661731, 646916452, 716228929, 771323462, 1432457858, 1542646924, 2864915716, 5013602503, 10027205006, 20054410012]

約数ペア:

[(1, 20054410012), (2, 10027205006), (4, 5013602503), (7, 2864915716), (13, 1542646924), (14, 1432457858), (26, 771323462), (28, 716228929), (31, 646916452), (52, 385661731), (62, 323458226), (91, 220378132), (124, 161729113), (169, 118665148), (182, 110189066), (217, 92416636), (338, 59332574), (364, 55094533), (403, 49762804), (434, 46208318), (676, 29666287), (806, 24881402), (868, 23104159), (1183, 16952164), (1612, 12440701), (2366, 8476082), (2821, 7108972), (4732, 4238041), (5239, 3827908), (5642, 3554486), (10478, 1913954), (11284, 1777243), (20956, 956977), (36673, 546844), (73346, 273422), (136711, 146692)]