20188077273

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{74923}}^1$

素因数の和:75003

約数の個数: 72

約数和(自身を含む): 37308555648

約数和(自身を除く): 17120478375

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 49, 63, 91, 117, 141, 147, 273, 329, 423, 441, 611, 637, 819, 987, 1833, 1911, 2303, 2961, 4277, 5499, 5733, 6909, 12831, 20727, 29939, 38493, 74923, 89817, 224769, 269451, 524461, 674307, 973999, 1573383, 2921997, 3521381, 3671227, 4720149, 6817993, 8765991, 10564143, 11013681, 20453979, 24649667, 31692429, 33041043, 45777953, 47725951, 61361937, 73949001, 137333859, 143177853, 172547669, 221847003, 320445671, 412001577, 429533559, 517643007, 961337013, 1552929021, 2243119697, 2884011039, 6729359091, 20188077273]

約数ペア:

[(1, 20188077273), (3, 6729359091), (7, 2884011039), (9, 2243119697), (13, 1552929021), (21, 961337013), (39, 517643007), (47, 429533559), (49, 412001577), (63, 320445671), (91, 221847003), (117, 172547669), (141, 143177853), (147, 137333859), (273, 73949001), (329, 61361937), (423, 47725951), (441, 45777953), (611, 33041043), (637, 31692429), (819, 24649667), (987, 20453979), (1833, 11013681), (1911, 10564143), (2303, 8765991), (2961, 6817993), (4277, 4720149), (5499, 3671227), (5733, 3521381), (6909, 2921997), (12831, 1573383), (20727, 973999), (29939, 674307), (38493, 524461), (74923, 269451), (89817, 224769)]