20783123438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{17713}}^1$

素因数の和:18153

約数の個数: 64

約数和(自身を含む): 41017121280

約数和(自身を除く): 20233997842

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 401, 418, 802, 1463, 2807, 2926, 4411, 5614, 7619, 8822, 15238, 17713, 30877, 35426, 53333, 61754, 83809, 106666, 123991, 167618, 194843, 247982, 336547, 389686, 586663, 673094, 1173326, 1363901, 2355829, 2727802, 3702017, 4711658, 7102913, 7404034, 14205826, 25914119, 49720391, 51828238, 78132043, 99440782, 134955347, 156264086, 269910694, 546924301, 944687429, 1093848602, 1484508817, 1889374858, 2969017634, 10391561719, 20783123438]

約数ペア:

[(1, 20783123438), (2, 10391561719), (7, 2969017634), (11, 1889374858), (14, 1484508817), (19, 1093848602), (22, 944687429), (38, 546924301), (77, 269910694), (133, 156264086), (154, 134955347), (209, 99440782), (266, 78132043), (401, 51828238), (418, 49720391), (802, 25914119), (1463, 14205826), (2807, 7404034), (2926, 7102913), (4411, 4711658), (5614, 3702017), (7619, 2727802), (8822, 2355829), (15238, 1363901), (17713, 1173326), (30877, 673094), (35426, 586663), (53333, 389686), (61754, 336547), (83809, 247982), (106666, 194843), (123991, 167618)]